General Information, ZIP Codes, Postage Rates, etc.
(800) 275-8777
Area Post Office Locations
Lockport - 60441 & 60491
215 E. 9th Street 60441
(815) 838-9104
Lemont - 60439
15871 W. 127th Street 60439
(630) 257-6205
Orland Park - 60462 & 60467
9500 W. 144th Place 60462
(708) 349-8030
Mokena - 60448
19934 Wolf Road 60448
(708) 479-9431
New Lenox - 60451
300 Vine Street 60451
(815) 485-8273
Romeoville - 60446
315 W. Romeo Road 60446 (135th Street)
(815) 886-9040