Prefix overview
Phone numbers in prefix 510-423
This page covers the 510-423 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
510-423
RATE CENTER
OKLD BKLY
CARRIER
PAETEC ITEL, LLC
CA
Prefix range
The prefix 510-423 includes numbers from 5104230000 to 5104239999.
This range is associated with the OKLD BKLY rate center and was originally assigned to PAETEC ITEL, LLC.
Numbers in this prefix
20 numbers