Prefix overview
Phone numbers in prefix 657-326
This page covers the 657-326 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
657-326
RATE CENTER
GARDEN GRV
CARRIER
SHELCOMM
CA
Prefix range
The prefix 657-326 includes numbers from 6573260000 to 6573269999.
This range is associated with the GARDEN GRV rate center and was originally assigned to SHELCOMM.
Numbers in this prefix
20 numbers