According to North American Numbering Plan, 510644 located in BERKELEY, California. the first three digits 510 locate to state California, 644 locate the city BERKELEY, furthermore, we also provide some other information such as the zip code example(s) 94704, 94703, 94709, carrier PACIFIC BELL, and the latitude and longitude is 37.8659 -122.2672. 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.

Here are some random corresponding phone numbers.