Prefix overview
Phone numbers in prefix 657-428
This page covers the 657-428 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
657-428
RATE CENTER
ORANGE
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
CA
Prefix range
The prefix 657-428 includes numbers from 6574280000 to 6574289999.
This range is associated with the ORANGE rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers