Prefix overview
Phone numbers in prefix 510-304
This page covers the 510-304 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
510-304
RATE CENTER
FRNK MAIN
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
CA
Prefix range
The prefix 510-304 includes numbers from 5103040000 to 5103049999.
This range is associated with the FRNK MAIN rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers