Prefix overview
Phone numbers in prefix 661-397
This page covers the 661-397 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
661-397
RATE CENTER
BKFD SOUTH
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 661-397 includes numbers from 6613970000 to 6613979999.
This range is associated with the BKFD SOUTH rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers