Belleville, IL Post Offices
Belleville, Illinois has a population of 40,536. According to the 2021 census, the city's 2 post offices serve 17,647 households with a median income of 17,647. The city is located in St. Clair County and has a land area of 60,143,944 and a water area of 671,535.
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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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|---|---|---|---|
| Belleville, IL Post Office | 5731 Mount Pleasant Ln, Belleville, Illinois, IL, 62223-9998 |
618-397-6616
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Today 08:30:00 - 18:30:00
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| Belleville, IL Post Office | 120 W Washington St, Belleville, Illinois, IL, 62220-9998 |
618-233-0390
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Today 09:00:00 - 18:00:00
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