Prefix overview
Phone numbers in prefix 858-238
This page covers the 858-238 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
858-238
RATE CENTER
EL CAJON
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
CA
Prefix range
The prefix 858-238 includes numbers from 8582380000 to 8582389999.
This range is associated with the EL CAJON rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers