NPA-NXX - 510-923

This is the 510-923 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 510-923 subcode mainly covers Oakland 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 Regular Landline registered to At&t California. 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 510-923 subcode.

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

765-772-5778 915-212-3536 228-332-1627 609-535-2255 479-880-5053
708-402-6860 571-484-3012 530-358-7201 630-480-2724 708-382-2701