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Illinois Post Office

A post office is a basic public facility that mainly provides mail services for people, including receiving and sending letters and parcels, selling stamps, and renting PO boxes. In addition, other approved services are also provided. Due to the wide coverage of post offices, for some remote areas or areas that lack transportation, the postal infrastructure has brought great convenience to people's lives.

According to the U.S. Postal Service, there are 1337 post offices located in the Illinois. Below is a complete list of these post offices. You can filter by city name to quickly find the location you're looking for.

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Post Office Address City Phone ZIP Code
ABINGDON 123 W MEEK ST ABINGDON 309-462-2441 61410-9998
ADAIR 201 W MAIN ST ADAIR 309-653-2477 61411-9800
ADDIEVILLE 226 N MIDDLE ST ADDIEVILLE 618-424-7986 62214-9998
ADDISON 175 S LINCOLN AVE ADDISON 630-543-4071 60101-5816
ALBANY 204 3RD AVE S ALBANY 309-887-4433 61230-9000
ALBERS 110 N BROADWAY ALBERS 618-248-5158 62215-9998
ALBION 104 W MAIN ST ALBION 618-445-3331 62806-9998
ALEDO 117 N COLLEGE AVE ALEDO 309-582-7113 61231-9998
ALEXANDER 107 S PARK ST ALEXANDER 217-478-2161 62601-9998
ALEXIS 101 S MAIN ST ALEXIS 309-482-3264 61412-5158
ALGONQUIN 801 W ALGONQUIN RD ALGONQUIN 847-658-0012 60102-2487
ALGONQUIN EAST 1420 E ALGONQUIN RD ALGONQUIN 847-658-0012 60102-5445
ALHAMBRA 506 E MAIN ST ALHAMBRA 618-488-7938 62001-9998
ALLENDALE 304 E MAIN ST ALLENDALE 618-299-5151 62410-9998
ALLERTON 110 VERMILION AVE ALLERTON 217-834-3332 61810-9998
ALMA 127 7TH ST ALMA 618-547-7200 62807-9998
ALPHA 108 W D ST ALPHA 309-529-8551 61413-9800
ALSEY 101 MAIN ST ALSEY 217-742-3613 62610-9998
ALTAMONT 122 W WASHINGTON AVE ALTAMONT 618-483-6314 62411-9998
ALTO PASS 85 N ELM ST ALTO PASS 618-893-4014 62905-9998
ALTON 2350 HOMER M ADAMS PKWY ALTON 618-462-2501 62002-9998
ALTON SQUARE 117 ALTON SQ ALTON 618-463-4728 62002-9994
ALTONA 111 S DEPOT ST ALTONA 309-484-6201 61414-9997
ALVIN 104 CHICAGO ST ALVIN 217-765-2042 61811-9998
AMBOY 215 E DIVISION ST AMBOY 815-857-2212 61310-9800