NPA-NXX - 510-320

This is the 510-320 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

The 510-320 subcode mainly covers Fremont-newark in Alameda county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of California state. Many of the numbers in this subcode are Cellular (Dedicated) registered to At&t Mobility. We hear they employ a large number of people in the California office.
Recently there have been an increase in reported calls, we've had over 1510271 comments across our systems for the 510-320 subcode.

Looking for a different number? Follow a link below to see our recently active.

717-930-3620 440-747-8469 864-279-4987 850-454-9009 561-614-6411
916-237-9759 586-685-6914 425-954-4819 315-497-9235 408-717-8552