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