Prefix overview
Phone numbers in prefix 510-430
This page covers the 510-430 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
510-430
RATE CENTER
OKLD TRNID
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 510-430 includes numbers from 5104300000 to 5104309999.
This range is associated with the OKLD TRNID rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers