Prefix overview
Phone numbers in prefix 858-301
This page covers the 858-301 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
858-301
RATE CENTER
EL CAJON
CARRIER
VONAGE AMERICA LLC
CA
Prefix range
The prefix 858-301 includes numbers from 8583010000 to 8583019999.
This range is associated with the EL CAJON rate center and was originally assigned to VONAGE AMERICA LLC.
Numbers in this prefix
20 numbers