Barnwell, SC Post Offices
Barnwell, South Carolina has a population of 4,260. According to the 2021 census, the city's 2 post offices serve 1,736 households with a median income of 1,736. The city is located in Barnwell County and has a land area of 20,311,640 and a water area of 384,339.
Post Office
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Address
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Phone
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Hours
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Barnwell, SC Post Office | 75 Railroad Ave, Barnwell, South Carolina, SC, 29812-4503 |
803-793-1116
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Today 07:30:00 - 10:15:00
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