Prefix overview
Phone numbers in prefix 858-525
This page covers the 858-525 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
858-525
RATE CENTER
LA JOLLA
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 858-525 includes numbers from 8585250000 to 8585259999.
This range is associated with the LA JOLLA rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers