Prefix overview
Phone numbers in prefix 858-357
This page covers the 858-357 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
858-357
RATE CENTER
SNDG MRMS
CARRIER
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
CA
Prefix range
The prefix 858-357 includes numbers from 8583570000 to 8583579999.
This range is associated with the SNDG MRMS rate center and was originally assigned to LEVEL 3 TELECOM OF CALIFORNIA, LP - CA.
Numbers in this prefix
20 numbers