Prefix overview
Phone numbers in prefix 661-436
This page covers the 661-436 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
661-436
RATE CENTER
ARVIN
CARRIER
AT&T ENTERPRISES, LLC
CA
Prefix range
The prefix 661-436 includes numbers from 6614360000 to 6614369999.
This range is associated with the ARVIN rate center and was originally assigned to AT&T ENTERPRISES, LLC.
Numbers in this prefix
20 numbers