Prefix overview
Phone numbers in prefix 657-376
This page covers the 657-376 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
657-376
RATE CENTER
WESTMINSTR
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
CA
Prefix range
The prefix 657-376 includes numbers from 6573760000 to 6573769999.
This range is associated with the WESTMINSTR rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers