Prefix overview
Phone numbers in prefix 661-321
This page covers the 661-321 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
661-321
RATE CENTER
BKFD MAIN
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 661-321 includes numbers from 6613210000 to 6613219999.
This range is associated with the BKFD MAIN rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers