Prefix overview
Phone numbers in prefix 559-370
This page covers the 559-370 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
559-370
RATE CENTER
THREERIVRS
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - CA
CA
Prefix range
The prefix 559-370 includes numbers from 5593700000 to 5593709999.
This range is associated with the THREERIVRS rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - CA.
Numbers in this prefix
20 numbers