NPA-NXX - 205-521

This is the 205-521 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 205
3. 205-521

The 205-521 subcode mainly covers Birmingham in Jefferson county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Alabama state. Many of the numbers in this subcode are Mixed registered to At&t Southeast. We hear they employ a large number of people in the Alabama office.
Recently there have been an increase in reported calls, we've had over 658466 comments across our systems for the 205-521 subcode.