| Adams County |
| Circuit Court Clerk (Adams County) Quincy | 521 Vermont Street | | Quincy | IL | 62301 |
| Quincy Main Post Office | 3535 Locust Street | | Quincy | IL | 62301 |
| |
| Alexander County |
| See neighboring counties | | | | IL | |
| |
| Bond County |
| Circuit Court Clerk (Bond County) Greenville | 200 W College Avenue | | Greenville | IL | 62246 |
| |
| Boone County |
| Belvidere Post Office | 1800 Doc Wolf Drive | | Belvedere | IL | 61008 |
| |
| Brown County |
| See neighboring counties | | | | IL | |
| |
| Bureau County |
| Bureau County Circuit Clerk's Office | 702 S Main Street | | Princeton | IL | 61356 |
| |
| Calhoun County |
| Calhoun County Clerk Hardin | 101 N County Road | | Hardin | IL | 62047 |
| |
| Carroll County |
| Circuit Court Clerk (Carroll County) Mt Carroll | 301 N Main Street | | Mount Carroll | IL | 61053 |
| |
| Cass County |
| See neighboring counties | | | | IL | |
| |
| Champaign County |
| Champaign County Circuit Court Clerk | 101 E Main Street | | Urbana | IL | 61801 |
| Champaign Post Office | 2001 N Mattis Avenue | | Champaign | IL | 61821 |
| Savoy Post Office | 415 N Dunlap Avenue | | Savoy | IL | 61874 |
| Urbana Post Office | 3100 E Tatman Court | | Urbana | IL | 61802 |
| |
| Christian County |
| Christian County Board Office | 101 Main Street | Attn: J Bland | Taylorville | IL | 62568 |
| |
| Clark County |
| Circuit Court Clerk (Clark County) Marshall | 501 Archer Avenue | | Marshall | IL | 62441 |
| |
| Clay County |
| Circuit Court Clerk (Clay County) Louisville | 111 Chestnut Street | | Louisville | IL | 62858 |
| |
| Clinton County |
| Aviston Post Office | 102 S Page Street | | Aviston | IL | 62216 |
| Breese Post Office | 501 N 2nd Street | | Breese | IL | 62230 |
| Circuit Court Clerk (Clinton County) Carlyle | 850 Fairfax Street | | Carlyle | IL | 62231 |
| New Baden Post Office | 203 E Hanover Street | | New Baden | IL | 62265 |
| |
| Coles County |
| County Clerk (Coles County) Charleston | 651 Jackson Avenue | | Charleston | IL | 61920 |
| |
| Cook County |
| Amoco Finance Station Post Office | 200 E Randolph Street | | Chicago | IL | 60681 |
| Arlington Heights Post Office | 909 W Euclid Avenue | | Arlington Heights | IL | 60004 |
| Aubburn Park Station Post Office | 8345 S Ashland Avenue | | Chicago | IL | 60620 |
| Bedford Park Retail Postal Store | 6801 W 73rd Street | | Bedford Park | IL | 60499 |
| Berwyn Post Office | 6625 Cermak Road | | Berwyn | IL | 60402 |
| Brookfield Post Office | 3731 Prairie Avenue | | Brookfield | IL | 60513 |
| Calumet City Post Office | 1200 Ring Road | | Calumet City | IL | 60409 |
| Cardiss Collins Postal Store | 433 W Harrison Street | | Chicago | IL | 60607 |
| Cesar E Chavez Post Office | 1859 S Ashland Avenue | | Chicago | IL | 60608 |
| Chicago City Clerk's Office | 121 N LaSalle Street | | Chicago | IL | 60602 |
| Chicago Heights Post Office | 1333 W End Avenue | | Chicago Heights | IL | 60411 |
| Chicago Lawn Station | | | Chicago | IL | 60629 |
| Chicago Ridge Post Office | 10525 S Ridgeland Avenue | | Chicago Ridge | IL | 60415 |
| Chicago Ridge Village Clerk's Office | 10455 Ridgeland Avenue | | Chicago Ridge | IL | 60415 |
| Chinatown Post Office | 2345 S Wentworth Avenue | | Chicago | IL | 60616 |
| Cicero Post Office | 2440 S Laramie Avenue | | Cicero | IL | 60804 |
| Circuit Court Clerk (Cook County) Chicago | 50 W Washington Street | | Chicago | IL | 60602 |
| City of Chicago Heights | 1601 Chicago Road | | Chicago Heights | IL | 60411 |
| Cragin Station Post Office | 5100 W Grand Avenue | | Chicago | IL | 60639 |
| Daniel J. Doffyn Post Office | 3750 N Kedzie Avenue | | Chicago | IL | 60618 |
| Des Plaines Post Office | 1000 E Oakton Street | | Des Plaines | IL | 60018 |
| Dolton Post Office | 14212 Cottage Grove Avenue | | Dolton | IL | 60419 |
| Edgebrook Station Post Office | 5424 W Devon Street | | Chicago | IL | 60646 |
| Elk Grove Township | 2400 S Arlington Heights Road | | Arlington Heights | IL | 60005 |
| Elsdon Station Post Office | 3124 W 47th Street | | Chicago | IL | 60632 |
| Evanston Post Office | 1101 Davis Street | | Evanston | IL | 60201 |
| Evergreen Park Station Post Office | 9359 S Kedzie Avenue | | Chicago | IL | 60805 |
| Finance Station E Post Office | 100 W Randolph Street | | Chicago | IL | 60601 |
| Flossmoor Post Office | 1020 Park Drive | | Flossmoor | IL | 60422 |
| Fort Dearborn Post Office | 540 N Dearborn Street | | Chicago | IL | 60610 |
| Glenview Post Office | 1919 Prairie Street | | Glenview | IL | 60025 |
| Glenwood Post Office | 19 W Main Street | | Glenwood | IL | 60425 |
| Graceland Finance Station Post Office | 3024 N Ashland Avenue | | Chicago | IL | 60657 |
| Grand Crossing Finance Station Post Office | 7715 Cottage Grove Avenue | | Chicago | IL | 60619 |
| Hanover Township | 250 S Illinois Route 59 | | Bartlett | IL | 60103 |
| Harvey Post Office | 15441 S Center Avenue | | Harvey | IL | 60426 |
| Harwood Heights Retail Post Office | 7101 W Gunnison Street | | Chicago | IL | 60656 |
| Hazel Crest Post Office | 17541 S Kedzie Street | | Hazel Crest | IL | 60429 |
| Homewood Post Office | 1921 Ridge Road | | Homewood | IL | 60430 |
| Irving Park Station Post Office | 3319 N Cicero Avenue | | Chicago | IL | 60641 |
| Jefferson Park Post Office | 5401 W Lawrence Avenue | | Chicago | IL | 60630 |
| John J. Buchanan Post Office | 9308 S Chicago Avenue | | Chicago | IL | 60617 |
| La Grange Post Office | 121 W Hillgrove Avenue | | La Grange | IL | 60525 |
| Lansing Post Office | 18125 Roy Street | | Lansing | IL | 60438 |
| Lincoln Park Postal Store | 2405 N Sheffield Avenue | | Chicago | IL | 60614 |
| Loop Post Office | 211 S Clark Street | | Chicago | IL | 60604 |
| Lyons Post Office | 7836 Ogden Avenue | | Lyons | IL | 60534 |
| Lyons Public Library | 4209 Joliet Avenue | | Lyons | IL | 60534 |
| Maine Township | 1700 Ballard Road | | Park Ridge | IL | 60068 |
| Matteson Post Office | 20650 S Cicero Avenue | | Matteson | IL | 60443 |
| Melrose Park Post Office | 1824 N 25th Avenue | | Melrose Park | IL | 60160 |
| Midlothian Post Office | 14722 Pulaski Road | | Midlothian | IL | 60445 |
| Moraine Valley Facility Post Office | 7401 W 100th Place | | Bridgeview | IL | 60455 |
| Morgan Park Station Post Office | 1805 W Montery Street | | Chicago | IL | 60643 |
| Morton Grove Post Office | 9114 Waukegan Road | | Morton Grove | IL | 60053 |
| Mt. Greenwood Station Post Office | 3349 W 111th Street | | Chicago | IL | 60655 |
| Mt. Prospect Post Office | 300 W Central Road | | Mount Prospect | IL | 60056 |
| New Trier Township / By Appointment Only | 739 Elm Street | | Winnetka | IL | 60093 |
| Niles Post Office | 6977 W Oakton Street | | Chicago | IL | 60714 |
| Niles Township | 5255 Main Street | | Skokie | IL | 60077 |
| North Riverside Post Office | 7300 W 25th Street | | North Riverside | IL | 60546 |
| Northbrook Post Office | 2460 Dundee Road | | Northbrook | IL | 60062 |
| Northfield Township | 3801 W Lake Street | | Glenview | IL | 60026 |
| Northlake Post Office | 47 W North Avenue | | Northlake | IL | 60164 |
| Northtown Station Post Office | 3401 W Devon Avenue | | Chicago | IL | 60645 |
| Norwood Park Post Office | 6300 W Northwest Highway | | Chicago | IL | 60631 |
| Oak Forest City Clerk | 15440 S Central Avenue | | Oak Forest | IL | 60452 |
| Oak Forest Post Office | 15811 S Central Street | | Oak Forest | IL | 60452 |
| Oak Lawn Station Post Office | 9249 S Cicero Avenue | | Oak Lawn | IL | 60454 |
| Oak Park Post Office | 901 W Lake Street | | Oak Park | IL | 60301 |
| Ontario Street Station Post Office | 227 E Ontario Street | | Chicago | IL | 60611 |
| Orland Park Retail Postal Store | 15128 S La Grange Road | | Orland Park | IL | 60462 |
| Palatine Post Office | 440 W Colfax Street | | Palatine | IL | 60067 |
| Palatine Village Clerk's Office | 200 E Wood Street | | Palatine | IL | 60067 |
| Palos Heights Post Office | 12238 S Harlem Avenue | | Palos Heights | IL | 60463 |
| Palos Park Post Office | 12100 S 80th Avenue | | Palos Park | IL | 60464 |
| Park Forest Post Office | 123 Indianwood Boulevard | | Park Forest | IL | 60466 |
| Park Ridge Post Office | 333 Busse Highway | | Park Ridge | IL | 60068 |
| Posen Post Office | 2720 147th Street | | Posen | IL | 60469 |
| Prospect Heights Post Office | 9 S Elmhurst Road | | Prospect Heights | IL | 60070 |
| Ravenswood Station Post Office | | | Chicago | IL | 60625 |
| Rich Township | 22013 Governors Highway | | Richton Park | IL | 60471 |
| Richton Park Post Office | 22332 Governors Highway | | Richton Park | IL | 60471 |
| River Grove Post Office | 2728 Clinton Street | | River Grove | IL | 60171 |
| Riverdale Village Clerk's | 157 W 144th Street | | Riverdale | IL | 60827 |
| Robbins Post Office | 3447 W 137th Street | | Robbins | IL | 60472 |
| Roberto Clemente Post Office | 2339 N California Avenue | | Chicago | IL | 60647 |
| Roger P McAuliffe Post Office | 6441 W Irving Park Road | | Chicago | IL | 60634 |
| Rogers Park Station Post Office | 1723 W Devon Street | | Chicago | IL | 60660 |
| Schaumburg Post Office | 450 W Schaumburg Road | | Schaumburg | IL | 60194 |
| Skokie Post Office | 4950 Madison Street | | Skokie | IL | 60076 |
| South Holland Post Office | 16260 Louis Avenue | | South Holland | IL | 60473 |
| Station Q | | | Chicago | IL | 60625 |
| Station W Post Office | 10422 S Ewing Avenue | | Chicago | IL | 60617 |
| Stickney Township | 5635 State Road | | Burbank | IL | 60459 |
| Stockyard Station Post Office | 4101 S Halsted Street | | Chicago | IL | 60609 |
| Streamwood Post Office | 115 E Irving Park Road | | Streamwood | IL | 60107 |
| Summit Argo Post Office | 7415 W 63rd Street | | Summit | IL | 60501 |
| Techny Post Office | 2001A Waukegan Road | | Techny | IL | 60082 |
| Thornton Post Office | 103 E Eleanor Street | | Thornton | IL | 60476 |
| Tinley Park Post Office | 7230 W 171st Street | | Tinley Park | IL | 60477 |
| Town of Cicero | 4937 W 25th Street | | Cicero | IL | 60804 |
| Township of Lyons | 6404 Joliet Road | | Countryside | IL | 60525 |
| Township of Schaumburg | 1 Illinois Boulevard | | Hoffman Estates | IL | 60194 |
| Uptown Station Post Office | 4850 N Broadway Street | | Chicago | IL | 60640 |
| Village of Evergreen Park | 9418 S Kedzie Avenue | | Evergreen Park | IL | 60805 |
| Village of Franklin Park | 9500 Belmont Avenue | | Franklin Park | IL | 60131 |
| Village of Hoffman Estates | 1900 Hassell Road | | Hoffman Estates | IL | 60195 |
| Village of Justice | 7800 Archer Road | | Justice | IL | 60458 |
| Village of Mount Prospect | 50 S Emerson Street | Village Hall | Mount Prospect | IL | 60056 |
| Village of Norridge | 4000 N Olcott Avenue | | Norridge | IL | 60706 |
| Village of Orland Park | 14700 Ravinia Avenue | | Orland Park | IL | 60462 |
| Village of Skokie | 5127 Oakton Street | | Skokie | IL | 60077 |
| Village of Stone Park | 1629 N Mannheim Road | | Stone Park | IL | 60165 |
| Village of Summit | 7321 W 59th Street | | Summit | IL | 60501 |
| Village of Worth | 7112 W 111th Street | | Worth | IL | 60482 |
| Western Springs Post Office | 4479 Lawn Avenue | | Western Springs | IL | 60558 |
| Wheeling Post Office | 250 W Dundee Road | | Wheeling | IL | 60090 |
| Wilmette Post Office | 1241 Central Avenue | | Wilmette | IL | 60091 |
| Worth Post Office | 11114 S Harlem Avenue | | Worth | IL | 60482 |
| Worth Township Clerk | 11601 S Pulaski Road | | Alsip | IL | 60803 |
| |
| Crawford County |
| Crawford County Circuit Court | 1 Courthouse Square | | Robinson | IL | 62454 |
| |
| Cumberland County |
| Circuit Court Clerk (Cumberland County) Toledo | 1 Courthouse Square | | Toledo | IL | 62468 |
| |
| De Witt County |
| Circuit Court Clerk (De Witt County) Clinton | 201 W Washington Street | | Clinton | IL | 61727 |
| |
| DeKalb County |
| County Clerk (De Kalb County) Sycamore | 110 E Sycamore Street | | Sycamore | IL | 60178 |
| DeKalb Post Office | 600 E Lincoln Highway | | DeKalb | IL | 60115 |
| Hinckley Post Office | 557 E Lincoln Avenue | | Hinckley | IL | 60520 |
| Sandwich Post Office | 22 N Eddy Street | | Sandwich | IL | 60548 |
| Waterman Post Office | 105 N Elm Street | | Waterman | IL | 60556 |
| |
| Douglas County |
| Tuscola Post Office | 120 E Sale Street | | Tuscola | IL | 61953 |
| |
| DuPage County |
| Addison Post Office | 175 S Lincoln Avenue | | Addison | IL | 60025 |
| Addison Township Clerk | 401 N Addison Road | | Addison | IL | 60101 |
| Aurora Post Office | 525 N Broadway | | Aurora | IL | 60507 |
| Bloomingdale Post Office | 108 W Schick Road | | Bloomingdale | IL | 60108 |
| Bloomingdale Township | 123 N Rosedale Road | | Bloomingdale | IL | 60108 |
| Carol Stream Post Office | 550 E Fullerton Avenue | | Carol Stream | IL | 60188 |
| Carol Stream Village Clerk's Office | 500 N Gary Avenue | | Carol Stream | IL | 60188 |
| Clarendon Hills Post Office | 312 Park Avenue | | Clarendon Hills | IL | 60514 |
| Downers Grove Post Office | 920 Curtiss Street | | Downers Grove | IL | 60515 |
| Downers Grove Township | 4340 Prince Street | | Downers Grove | IL | 60515 |
| Du Page County Circuit Court Clerk | 505 N County Farm Road | | Wheaton | IL | 60187 |
| Elmhurst Post Office | 154 W Park Avenue | | Elmhurst | IL | 60126 |
| Glen Ellyn Post Office | 757 Dupage Boulevard | | Glen Ellyn | IL | 60137 |
| Hinsdale IL Post Office | 109 Symonds Drive | | Hinsdale | IL | 60521 |
| Itasca Post Office | 1050 W Irving Park Road | | Itasca | IL | 60143 |
| Lemont Post Office | 42 Stephen Street | | Lemont | IL | 60439 |
| Lisle Post Office | 817 W Ogden Avenue | | Lisle | IL | 60532 |
| Lisle Township | 4711 Indiana Avenue | | Lisle | IL | 60532 |
| Naperville Post Office | 1750 W Ogden Avenue | | Naperville | IL | 60540 |
| Naperville Township | 139 Water Street | | Naperville | IL | 60540 |
| Oak Brook Post Office | 1314 Kensington Road | | Oak Brook | IL | 60523 |
| Sterling Post Office | 408 3rd Avenue | | Sterling | IL | 61081 |
| Villa Park Post Office | 1415 S Ardmore Avenue | | Villa Park | IL | 61081 |
| Village of Oak Brook | 1200 Oak Brook Road | | Oak Brook | IL | 60523 |
| Warrenville Post Office | 3S101 Rockwell Road | | Warrenville | IL | 60555 |
| Washington Street Post Office | 5 S Washington Street | | Naperville | IL | 60540 |
| West Chicago Post Office | 1130 W Washington Street | | West Chicago | IL | 60185 |
| Westmont Post Office | 5707 S Cass Avenue | | Westmont | IL | 60559 |
| Wheaton Post Office | 122 N Wheaton Avenue | | Wheaton | IL | 60187 |
| Winfield Post Office | 27W525 Highlake Road | | Winfield | IL | 60190 |
| Winfield Township | 130 Arbor Avenue | | West Chicago | IL | 60186 |
| Wood Dale Post Office | 270 N Wood Dale Road | | Wood Dale | IL | 60191 |
| Woodridge Post Office | 2 Plaza Drive | | Woodridge | IL | 60517 |
| York Township | 1502 S Meyers Road | | Lombard | IL | 60148 |
| |
| Edgar County |
| Circuit Court Clerk (Edgar County) Paris | 115 W Court Street | | Paris | IL | 61944 |
| Paris Post Office | 139 E Wood Street | | Paris | IL | 61944 |
| |
| Edwards County |
| Circuit Court Clerk (Edwards County) Albion | 50 E Main Street | | Albion | IL | 62806 |
| |
| Effingham County |
| Circuit Court Clerk (Effingham County) Effingham | 100 E Jefferson Avenue | | Effingham | IL | 62401 |
| Effingham Post Office | 210 N 3rd Street | | Effingham | IL | 62401 |
| |
| Fayette County |
| Circuit Court Clerk (Fayette County) Vandalia | 221 S 7th Street | | Vandalia | IL | 62471 |
| |
| Ford County |
| Ford County Clerk | 200 W State Street | | Paxton | IL | 60957 |
| Paxton Post Office | 209 S Market Street | | Paxton | IL | 60957 |
| |
| Franklin County |
| Benton Post Office | 301 N Du Quoin Street | | Benton | IL | 62812 |
| Franklin County Circuit Clerk | 1 Public Square | | Benton | IL | 62812 |
| |
| Fulton County |
| Circuit Court Clerk (Fulton County) Lewistown | 100 N Main Street | | Lewistown | IL | 61542 |
| |
| Gallatin County |
| Circuit Court Clerk (Gallatin County) Shawneetown | 484 Lincoln Boulevard | | Shawneetown | IL | 62984 |
| |
| Greene County |
| Circuit Court Clerk (Greene County) Carrolton | 519 N Main Street | | Carrolton | IL | 62016 |
| White Hall Post Office | 120 S Jacksonville Street | | White Hall | IL | 62092 |
| |
| Grundy County |
| Circuit Court Clerk (Grundy County) Morris | 111 E Washington Street | | Morris | IL | 60450 |
| Coal City Post Office | 495 S Broadway Street | | Coal City | IL | 60416 |
| Gardner Post Office | 106 E Jefferson Street | | Gardner | IL | 60424 |
| Mazon Post Office | 600 Depot Street | | Mazon | IL | 60444 |
| Minooka Post Office | 301 W Mondamin Street | | Minooka | IL | 60447 |
| Morris Post Office | 202 E Washington Street | | Morris | IL | 60450 |
| |
| Hamilton County |
| Hamilton County Clerk McLeansboro | 100 S Jackson Street | | McLeansboro | IL | 62859 |
| |
| Hancock County |
| Circuit Court Clerk (Hancock County) Carthage | 500 Main Street | | Carthage | IL | 62321 |
| |
| Hardin County |
| See neighboring counties | | | | IL | |
| |
| Henderson County |
| Circuit Court (Henderson County) Oquawka | 101 4th & Warren | | Oquawka | IL | 61469 |
| |
| Henry County |
| Circuit Court Clerk (Henry County) Geneseo | 121 S Oakwood Avenue | | Geneseo | IL | 61254 |
| Circuit Court Clerk (Henry County) Kewanee | 401 E 3rd Street | | Kewanee | IL | 61443 |
| Geneseo Post Office | 120 W 1st Street | | Geneseo | IL | 61254 |
| Henry County Circuit Clerk | 307 W Center Street | | Cambridge | IL | 61238 |
| |
| Iroquois County |
| Circuit Court Clerk (Iroquois County) Watseka | 550 S 10th Street | | Watseka | IL | 60970 |
| |
| Jackson County |
| Carbondale Post Office | 1301 E Main Street | | Carbondale | IL | 62901 |
| Murphysboro Post Office | 203 N 11th Street | | Murphysboro | IL | 62966 |
| |
| Jasper County |
| Jasper County Circuit Clerk | 100 W Jourdan Street | | Newton | IL | 62448 |
| |
| Jefferson County |
| Circuit Court Clerk (Jefferson County) Mt Vernon | 100 S 10th Street | | Mount Vernon | IL | 62864 |
| Mt Vernon Post Office | 1301 Broadway Street | | Mount Vernon | IL | 62864 |
| |
| Jersey County |
| Elsah Post Office | 48 Mill Street | | Elsah | IL | 62028 |
| Grafton Post Office | 419 E Main Street | | Grafton | IL | 62037 |
| Jersey County Clerk | 200 N Lafayette Street | | Jerseyville | IL | 62052 |
| Jerseyville Post Office | 115 N Washington Street | | Jerseyville | IL | 62052 |
| |
| Jo Daviess County |
| See neighboring counties | | | | IL | |
| |
| Johnson County |
| See neighboring counties | | | | IL | |
| |
| Kane County |
| Batavia Post Office | 500 N Randall Road | | Batavia | IL | 60510 |
| Big Rock Post Office | 100 E 1st Street | | Big Rock | IL | 60511 |
| County of Kane | 719 S Batavia Avenue | | Geneva | IL | 60134 |
| Elgin Post Office | 66 Grove Court | | Elgin | IL | 60120 |
| Geneva Post Office | 26 S 3rd Street | | Geneva | IL | 60134 |
| Gilbert Post Office | 57 Railroad Street | | Gilbert | IL | 60136 |
| St Charles Post Office | 1405 W Main Street | | Saint Charles | IL | 60174 |
| Sugar Grove Post Office | 45 E Cross Street | | Sugar Grove | IL | 60554 |
| Wasco Post Office | 40 W 514 Illinois Route 64 | | Wasco | IL | 60183 |
| |
| Kankakee County |
| Bonfield Post Office | 157 W Smith Street | | Bonfield | IL | 60913 |
| Bourbonnais Post Office | 850 Main Street NW | | Bourbonnais | IL | 60914 |
| Bradley Post Office | 258 W Broadway Street | | Bradley | IL | 60915 |
| County Clerk (Kankakee County) Kankakee | 189 E Court Street | | Kankakee | IL | 60901 |
| Herscher Post Office | 200 S Main Street | | Herscher | IL | 60941 |
| Kankakee County Circuit Clerk | 450 E Court Street | | Kankakee | IL | 60901 |
| Kankakee Post Office | 475 E Court Street | | Kankakee | IL | 60901 |
| |
| Kendall County |
| Montgomery Post Office | 1899 Village Center Parkway | | Montgomery | IL | 60538 |
| Newark Post Office | 11 Main Street | | Newark | IL | 60541 |
| Plano Post Office | 102 N Center Street | | Plano | IL | 60545 |
| Yorkville Post Office | 201 W Hydraulic Street | | Yorkville | IL | 60560 |
| |
| Knox County |
| Circuit Court Clerk (Knox County) Galesburg | 200 S Cherry Street | | Galesburg | IL | 61401 |
| Galesburg Post Office | 476 E Main Street | | Galesburg | IL | 61401 |
| |
| La Salle County |
| Circuit Court Clerk (La Salle County) Ottawa | 119 W Madison Street | Suite 200 | Ottawa | IL | 61350 |
| Mendota Post Office | | | Mendota | IL | 61342 |
| Peru Post Office | 1500 4th Street | | Peru | IL | 61354 |
| Seneca Post Office | 121 E Armour Street | | Seneca | IL | 61360 |
| Sheridan Post Office | 180 W Si Johnson Avenue | | Sheridan | IL | 60551 |
| Somonauk Post Office | 115 N Gage Street | | Somonauk | IL | 60552 |
| |
| Lake County |
| Antioch Township Clerk's Office | 1625 Deep Lake Road | | Lake Villa | IL | 60046 |
| Buffalo Grove Post Office | 255 N Buffalo Grove Road | | Buffalo Grove | IL | 60089 |
| Circuit Court Clerk (Lake County) Waukeegan | 18 N County Street | | Waukegan | IL | 60085 |
| City of Lake Forest / By Appointment Only | 220 E Deerpath Road | | Lake Forest | IL | 60045 |
| Cuba Township | 28000 W Cuba Road | | Barrington | IL | 60010 |
| Deerfield Post Office | 707 Osterman Avenue | | Deerfield | IL | 60015 |
| Ela Public Library | 275 Mohawk Trail | | Lake Zurich | IL | 60047 |
| Grant Township | 26725 W Molidor Road | | Ingleside | IL | 60041 |
| Grayslake Post Office | 75 Commerce Drive | | Grayslake | IL | 60030 |
| Gurnee Post Office | 1 N O'Plaine Road | | Gurnee | IL | 60031 |
| Highland Park Post Office | 833 Central Avenue | | Highland Park | IL | 60035 |
| Island Lake Post Office | 129 E State Road | | Island Lake | IL | 60042 |
| Lake Forest Post Office | 230 Northgate Street | | Lake Forest | IL | 60045 |
| Lake Villa Main Post Office | 206 Cedar Avenue | | Lake Villa | IL | 60046 |
| Lake Villa Township Supervisor | 37908 N Fairfield Road | | Lake Villa | IL | 60046 |
| Lake Zurich Main Post Office | 380 Surryse Road | | Lake Zurich | IL | 60047 |
| Libertyville Post Office | 1520 Artaius Parkway | | Libertyville | IL | 60048 |
| Round Lake Post Office | 1940 Municipal Way | | Round Lake | IL | 60073 |
| Shields Township | 906 Muir Avenue | | Lake Bluff | IL | 60044 |
| Vernon Hills Post Office | 675 Lakeview Parkway | | Vernon Hills | IL | 60061 |
| Vernon Township | 3050 N Main Street | | Buffalo Grove | IL | 60089 |
| Village of Vernon Hills | 290 Evergreen Drive | | Vernon Hills | IL | 60061 |
| Waukegan Post Office | 326 N Genesee Street | | Waukegan | IL | 60085 |
| Waukegan Township | 149 S Genesee Street | | Waukegan | IL | 60085 |
| West Deerfield Township | 601 Deerfield Road | | Deerfield | IL | 60015 |
| Zion Post Office | 1225 Shiloh Boulevard | | Zion | IL | 60099 |
| Zion Township | 2800 Sheridan Road | | Zion | IL | 60099 |
| |
| Lawrence County |
| Lawrence County Circuit Clerk | 1100 State Street | | Lawrenceville | IL | 62439 |
| |
| Lee County |
| Dixon Post Office | 405 W 2nd Street | | Dixon | IL | 61021 |
| |
| Livingston County |
| Circuit Court Clerk (Livingston County) Pontiac | 112 W Madison Street | | Pontiac | IL | 61764 |
| Fairbury Post Office | 127 E Locust Street | | Fairbury | IL | 61739 |
| |
| Logan County |
| Circuit Court Clerk Lincoln | 601 Broadway Street | | Lincoln | IL | 62656 |
| |
| Macon County |
| Macon County Clerk | 141 S Main Street | | Decatur | IL | 62523 |
| Memorial Station Decatur Post Office | 1601 E Mound Street | | Decatur | IL | 62526 |
| |
| Macoupin County |
| Circuit Court Clerk (Macoupin County) Carlinville | 201 E Main Street | | Carlinville | IL | 62626 |
| Staunton Post Office | 113 S Edwardsville Street | | Staunton | IL | 62088 |
| |
| Madison County |
| Alton Post Office | 727 Belle Street | | Alton | IL | 62002 |
| Bethalto Post Office | 115 W Central Street | | Bethalto | IL | 62010 |
| Circuit Court Clerk (Madison County) Edwardsville | 155 N Main Street | | Edwardsville | IL | 62025 |
| Collinsville Post Office | 130 S Center Street | | Collinsville | IL | 62234 |
| East Alton Post Office | 200 Smith Street | | East Alton | IL | 62024 |
| Glen Carbon Post Office | 105 N Main Street | | Glen Carbon | IL | 62034 |
| Godfrey Post Office | 400 Tolle Lane | | Godfrey | IL | 62035 |
| Granite City Post Office | 2350 Madison Avenue | | Granite City | IL | 62040 |
| Highland Post Office | 801 Main Street | | Highland | IL | 62249 |
| Maryville Post Office | 1 Oak Drive | | Maryville | IL | 62062 |
| Troy Post Office | 515 Edwardsville Road | | Troy | IL | 62294 |
| Wood River Post Office | 161 E Ferguson Avenue | | Wood River | IL | 62095 |
| |
| Marion County |
| Centralia Post Office | 314 S Poplar Street | | Centralia | IL | 62801 |
| Circuit Court Clerk (Marion County) Salem | 100 E Main Street | | Salem | IL | 62881 |
| Salem Post Office | 125 S Delmar Avenue | | Salem | IL | 62881 |
| |
| Marshall County |
| Circuit Court Clerk (Marshall County) Lacon | 122 N Prairie Street | | Lacon | IL | 61540 |
| |
| Mason County |
| Circuit Court Clerk (Mason County) Havana | 125 N Plum Street | | Havana | IL | 62644 |
| |
| Massac County |
| Circuit Court Clerk (Massac County) Metropolis | 1 Superman Square | | Metropolis | IL | 62960 |
| Metropolis Post Office | 101 W 5th Street | | Metropolis | IL | 62960 |
| |
| McDonough County |
| McDonough County Clerk Macomb | 1 Courthouse Square | | Macomb | IL | 61455 |
| |
| McHenry County |
| Algonquin Post Office | 801 W Algonquin Road | | Algonquin | IL | 60102 |
| Cary Post Office | 2707 Three Oaks Road | | Cary | IL | 60013 |
| Crystal Lake Post Office | 301 E Congress Parkway | | Crystal Lake | IL | 60014 |
| McHenry County Treasurer | 667 Ware Road | | Woodstock | IL | 60098 |
| McHenry Post Office | 4530 W Crystal Lake Road | | McHenry | IL | 60050 |
| Woodstock Post Office | 1050 Country Club Road | | Woodstock | IL | 60098 |
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| McLean County |
| Circuit Court Clerk (Mc Lean County) Bloomington | 104 W Front Street | | Bloomington | IL | 61701 |
| Downs Post Office | 403 S Seminary Street | | Downs | IL | 61736 |
| Eagle Station Bloomington Post Office | 1211 N Towanda Avenue | | Bloomington | IL | 61701 |
| Hudson Post Office | 104 Walnut Street | | Hudson | IL | 61748 |
| Leroy Post Office | 104 E Cherry Street | | Leroy | IL | 61752 |
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| Menard County |
| Menard County Circuit Clerk | 102 S 7th Street | | Petersburg | IL | 62675 |
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| Mercer County |
| Circuit Court Clerk (Mercer County) Aledo | | Courthouse | Aledo | IL | 61231 |
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| Monroe County |
| Circuit Court Clerk (Monroe County) Waterloo | 100 S Main Street | | Waterloo | IL | 62298 |
| Columbia Post Office | 800 Columbia Centre | | Columbia | IL | 62236 |
| Waterloo Post Office | 305 E 3rd Street | | Waterloo | IL | 62298 |
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| Montgomery County |
| Circuit Court Clerk (Montgomery County) Hillsboro | 120 N Main Street | Courthouse | Hillsboro | IL | 62049 |
| Litchfield Post Office | 202 E Kirkham Street | | Litchfield | IL | 62056 |
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| Morgan County |
| Circuit Court Clerk (Morgan County) Jacksonville | 300 W State Street | | Jacksonville | IL | 62650 |
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| Moultrie County |
| Bethany Post Office | 119 S Washington Street | | Bethany | IL | 61914 |
| Circuit Court Clerk (Moultrie County) Sullivan | 10 S Main Street | | Sullivan | IL | 61951 |
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| Ogle County |
| Circuit Court Clerk (Ogle County) Oregon | 106 S 5th Street | | Oregon | IL | 61061 |
| Rochelle Post Office | 501 Lincoln Highway | | Rochelle | IL | 61068 |
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| Peoria County |
| Peoria County Clerk | 324 Main Street | Room 101 | Peoria | IL | 61602 |
| Peoria Main Post Office | 95 State Street | | Peoria | IL | 61601 |
| Peoria North University Station Post Office | | | Peoria | IL | 61614 |
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| Perry County |
| Circuit Court Clerk (Perry County) Pinckneyville | 1 Courthouse Square | | Pinckneyville | IL | 62274 |
| Du Quoin Post Office | 304 E Main Street | | DuQuoin | IL | 62832 |
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| Piatt County |
| Circuit Court Clerk (Piatt County) Monticello | 101 W Washington Street | | Monticello | IL | 61856 |
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| Pike County |
| Circuit Court Clerk (Pike County) Pittsfield | 100 E Washington Street | | Pittsfield | IL | 62363 |
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| Pope County |
| See neighboring counties | | | | IL | |
| |
| Pulaski County |
| See neighboring counties | | | | IL | |
| |
| Putnam County |
| See neighboring counties | | | | IL | |
| |
| Randolph County |
| Chester Post Office | 1321 Swanwick Street | | Chester | IL | 62233 |
| Randolph County Office of the Circuit Clerk | 1 Taylor Street | | Chester | IL | 62233 |
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| Richland County |
| Richland County Circuit Clerk | 103 W Main Street | | Olney | IL | 62450 |
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| Rock Island County |
| Moline Post Office | 514 17th Street | | Moline | IL | 61265 |
| Rock Island Circuit Court | 210 15th Street | | Rock Island | IL | 61201 |
| Rock Island Post Office | 2633 11th Street | | Rock Island | IL | 61201 |
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| Saint Clair County |
| Belleville Post Office | 120 W Washington Street | | Belleville | IL | 62220 |
| Caseyville Post Office | 113 S Long Street | | Caseyville | IL | 62232 |
| Dutch Hollow Post Office | 5731 Mount Pleasant Lane | | Belleville | IL | 62223 |
| East St Louis Post Office | 950 Missouri Avenue | | East Saint Louis | IL | 62201 |
| Mascoutah Post Office | 18 W Main Street | | Mascoutah | IL | 62258 |
| O'Fallon Main Post Office | 1111 S Lincoln Avenue | | O'Fallon | IL | 62269 |
| Saint Clair County Circuit Court | 10 Public Square | | Belleville | IL | 62220 |
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| Saline County |
| Harrisburg Post Office | 101 W Church Street | | Harrisburg | IL | 62946 |
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| Sangamon County |
| Circuit Court Clerk (Sangamon County) Springfield | 200 S 9th Street | | Springfield | IL | 62701 |
| Springfield Post Office | 411 E Monroe Street | | Springfield | IL | 62701 |
| Springfield Post Office | 2105 E Cook Street | | Springfield | IL | 62703 |
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| Schuyler County |
| Circuit Court Clerk (Schuyler County) Rushville | 102 S Congress Street | | Rushville | IL | 62681 |
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| Scott County |
| See neighboring counties | | | | IL | |
| |
| Shelby County |
| Circuit Court Clerk (Shelby County) Shelbyville | 301 E Main Street | | Shelbyville | IL | 62565 |
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| Stark County |
| See neighboring counties | | | | IL | |
| |
| Stephenson County |
| Freeport Post Office | 103 N Chicago Avenue | | Freeport | IL | 61032 |
| Ridott Post Office | 103 S Adams Street | | Ridott | IL | 61067 |
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| Tazewell County |
| Mackinaw Post Office | 110 S Main Street | | Mackinaw | IL | 61755 |
| Morton Post Office | 600 W Jefferson Street | | Morton | IL | 61550 |
| Pekin Post Office | 514 Broadway Street | | Pekin | IL | 61554 |
| Tazewell County Circuit Clerk | 342 Court Street | | Pekin | IL | 61554 |
| Washington Post Office | 106 S High Street | | Washington | IL | 61571 |
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| Union County |
| Circuit Court Clerk (Union County) Jonesboro | 309 W Market Street | | Jonesboro | IL | 62952 |
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| Vermilion County |
| Danville Post Office | 303 N Hazel Street | | Danville | IL | 61832 |
| Rossville Post Office | 106 Maple Drive | | Rossville | IL | 60963 |
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| Wabash County |
| Circuit Court Clerk (Wabash County) Mount Carmel | 401 Market Street | | Mount Carmel | IL | 62863 |
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| Warren County |
| Circuit Court Clerk (Warren County) Monmouth | 100 W Broadway | | Monmouth | IL | 61462 |
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| Washington County |
| Washington County Nashville | 101 E Saint Louis Street | | Nashville | IL | 62263 |
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| Wayne County |
| Wayne County Circuit Clerk Fairfield | 307 E Main Street | | Fairfield | IL | 62837 |
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| White County |
| White County Carmi | 301 E Main Street | | Carmi | IL | 62821 |
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| Whiteside County |
| Rock Falls Post Office | 210 2nd Avenue | | Rock Falls | IL | 61071 |
| Whiteside County Circuit Clerk | 200 E Knox Street | | Morrison | IL | 61270 |
| Whiteside County Sterling | 101 E 3rd Street | | Sterling | IL | 61081 |
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| Will County |
| Beecher Post Office | 712 Penfield Street | | Beecher | IL | 60401 |
| Bolingbrook Post Office | 105 Canterbury Lane | | Bolingbrook | IL | 60440 |
| Book Road Postal Store | 3075 Book Road | | Naperville | IL | 60564 |
| Channahon Post Office | 25150 W Channahon Drive | | Channahon | IL | 60410 |
| Circuit Court Clerk (Will County) Joliet | 14 W Jefferson Street | | Joliet | IL | 60432 |
| Crete Post Office | 515 Cass Street | | Crete | IL | 60417 |
| Frankfort Post Office | 21201 S Elsner Road | | Frankfort | IL | 60423 |
| Joliet Downtown Station Post Office | 51 E Clinton Street | | Joliet | IL | 60432 |
| Joliet Post Office | 2000 W McDonough Street | | Joliet | IL | 60436 |
| Lockport Post Office | 1059 E 9th Street | | Lockport | IL | 60441 |
| Manhattan Post Office | 185 S State Street | | Manhattan | IL | 60442 |
| Mokena Post Office | 19934 S Wolf Road | | Mokena | IL | 60448 |
| Monee Post Office | 5410 W Main Street | | Monee | IL | 60449 |
| New Lenox Post Office | 300 N Vine Street | | New Lenox | IL | 60451 |
| Plainfield Post Office | 14855 S Van Dyke Road | | Plainfield | IL | 60544 |
| Plainfield Township | 22525 W Lockport Road | | Plainfield | IL | 60544 |
| Romeoville Post Office | 315 W Romeo Road | | Romeoville | IL | 60446 |
| Wilmington Post Office | 301 N Water Street | | Wilmington | IL | 60481 |
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| Williamson County |
| Herrin Post Office | 200 S Park Avenue | | Herrin | IL | 62948 |
| Marion Post Office | 205 E Main Street | | Marion | IL | 62959 |
| Williamson County Marion | 200 W Jefferson Street | | Marion | IL | 62959 |
| |
| Winnebago County |
| Cherry Valley Public Library District | 755 E State Street | | Cherry Valley | IL | 61016 |
| Rockford Post Office | 5225 Harrison Avenue | | Rockford | IL | 61125 |
| Roscoe Post Office | 11320 Main Street | | Roscoe | IL | 61073 |
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| Woodford County |
| Woodford Co. Circuit Clerk's Office | | | Eureka | IL | 61530 |
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