> Postal services Washington > Postal services Okanogan County > Postal services Winthrop (Okanogan County)
US Post Office
The US Post Office address is 1110 Highway 20 Winthrop WA 98862-9113 and the business entry is assigned to the category Postal services.
Economic data
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| Classification: | SIC (Standard Industrial Classification) |
| Classification code: | 4311 |
| Economic description: | U.S. Postal Service |
| Company activity: | United States Postal Service (Government) |
| Number of employees: | 5 |
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Nearby similar companies
Similar Postal services entries from the surroundings of Winthrop are listed here.
