Prefix overview
Phone numbers in prefix 858-377
This page covers the 858-377 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
858-377
RATE CENTER
POWAY
CARRIER
FRACTEL, LLC
CA
Prefix range
The prefix 858-377 includes numbers from 8583770000 to 8583779999.
This range is associated with the POWAY rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers