Granite City, IL Post Offices
Granite City, Illinois has a population of 27,959. According to the 2021 census, the city's 3 post offices serve 12,374 households with a median income of 12,374. The city is located in Madison County and has a land area of 49,275,294 and a water area of 4,048,185.
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Post Office
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Address
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Phone
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Hours
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| Granite City, IL Post Office | 506 E Chain Of Rocks Rd, Granite City, Illinois, IL, 62040-9996 |
618-877-0700
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Today 08:30:00 - 12:30:00
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