Prefix overview
Phone numbers in prefix 657-423
This page covers the 657-423 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
657-423
RATE CENTER
SILVERADO
CARRIER
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
CA
Prefix range
The prefix 657-423 includes numbers from 6574230000 to 6574239999.
This range is associated with the SILVERADO rate center and was originally assigned to CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA.
Numbers in this prefix
20 numbers