According to North American Numbering Plan, 256851 located in HUNTSVILLE, Alabama. the first three digits 256 locate to state Alabama, 851 locate the city HUNTSVILLE, furthermore, we also provide some other information such as the zip code example(s) 35810, 35816, 35801, carrier BELLSOUTH TELECOMM INC DBA SOU, and the latitude and longitude is 34.7742 -86.6034. Please pay attention that the detail we provide only as a reference, the details of the zip code may be not complete, the latitude and longitude likely to have deviation.

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