Prefix overview
Phone numbers in prefix 661-370
This page covers the 661-370 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
661-370
RATE CENTER
DELANO
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - CA
CA
Prefix range
The prefix 661-370 includes numbers from 6613700000 to 6613709999.
This range is associated with the DELANO rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - CA.
Numbers in this prefix
20 numbers