Prefix overview
Phone numbers in prefix 442-257
This page covers the 442-257 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
442-257
RATE CENTER
ESCONDIDO
CARRIER
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
CA
Prefix range
The prefix 442-257 includes numbers from 4422570000 to 4422579999.
This range is associated with the ESCONDIDO rate center and was originally assigned to CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA.
Numbers in this prefix
20 numbers