Prefix overview
Phone numbers in prefix 770-221
This page covers the 770-221 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
770-221
RATE CENTER
ATLANTA NW
CARRIER
BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
GA
Prefix range
The prefix 770-221 includes numbers from 7702210000 to 7702219999.
This range is associated with the ATLANTA NW rate center and was originally assigned to BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL.
Numbers in this prefix
20 numbers