Prefix overview
Phone numbers in prefix 661-438
This page covers the 661-438 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
661-438
RATE CENTER
WASCO
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - CA
CA
Prefix range
The prefix 661-438 includes numbers from 6614380000 to 6614389999.
This range is associated with the WASCO rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - CA.
Numbers in this prefix
20 numbers