Prefix overview
Phone numbers in prefix 510-443
This page covers the 510-443 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
510-443
RATE CENTER
FRNK MAIN
CARRIER
PEERLESS NETWORK OF CALIFORNIA, LLC - CA
CA
Prefix range
The prefix 510-443 includes numbers from 5104430000 to 5104439999.
This range is associated with the FRNK MAIN rate center and was originally assigned to PEERLESS NETWORK OF CALIFORNIA, LLC - CA.
Numbers in this prefix
20 numbers