| Dewar, Iowa | |
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| — Unincorporated community — | |
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Dewar, Iowa
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| Coordinates: | |
| Country | United States |
| State | Iowa |
| County | Black Hawk |
| Elevation | 889 ft (271 m) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| ZIP codes | 50623 |
| FIPS code | |
| GNIS feature ID | 455900 |
Dewar is an unincorporated community in eastern Black Hawk County, Iowa, United States. It lies along local roads northeast of the city of Waterloo, the county seat of Black Hawk County.[1] Its elevation is 889 feet (271 m).[2] Although Dewar is unincorporated, it has a post office with the ZIP code of 50623,[3] which opened on 25 October 1887.[4]
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