Post Offices in Granite City, IL - Location and Hours Information

Granite City Post Offices

All 3 locations in Granite City, Illinois with operating hours, phone numbers, and postal services around Madison County.

Granite City Post Office

2350 Madison Ave

Granite City, IL 62040

618-877-0700 Today 8:30am - 5:00pm

Mitchell Post Office

506 E Chain of Rocks Rd

Granite City, IL 62040

618-877-0700 Today 8:30am - 12:30pm

Nameoki Post Office

3236 Nameoki Rd

Granite City, IL 62040

618-877-0450 Today 8:45am - 4:45pm

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