Area Code 205 — Birmingham, AL

What is area code 205 and where does it cover?

Area code 205 serves central and western Alabama, including Birmingham, Tuscaloosa, Hoover, and surrounding communities. It shares the same footprint with overlay 659, so new numbers may be assigned 659. Local calls require 10-digit dialing (area code + number). 

How did area code 205 evolve over time?

• 1947: 205 created as statewide for Alabama under the original NANP.

• 1995: Split created 334 (southeast/central Alabama).

• 1998: Split created 256 (north Alabama).

• 2019: Overlay 659 added to 205 to expand numbering capacity.

These milestones reflect demand growth and modern relief methods (overlays vs. splits). 

What are the current dialing rules and key dates for 205/659?

• Apr 13–Oct 11, 2019: Permissive period - 7 or 10 digits worked.

• Oct 12, 2019: Mandatory 10-digit dialing for local calls in 205.

• Nov 12, 2019 (beginning): New lines could start receiving 659.

Long-distance calls continue with 1 + 10 digits; 3-digit services (e.g., 911) are unaffected. 

Which cities and communities are most associated with 205?

Prominent communities in 205/659 include Birmingham, Tuscaloosa, Hoover, Jasper, Pell City, Clanton, Butler, and others across west-central Alabama. 

Why did Alabama choose an overlay (659) instead of a split?

Overlays add capacity without forcing number changes for existing customers, minimizing disruption for residents and businesses while allowing carriers to assign new blocks as needed. Regulators approved 659 for precisely these reasons as 205 neared exhaustion. 

What interesting facts are tied to 205?

• The middle digit “0” in legacy area codes signified (pre-1953) a statewide code—one clue that 205 originally covered all of Alabama.

• 205 is a long-standing identifier for Birmingham–Tuscaloosa; the 2019 overlay modernized the region’s numbering without changing existing numbers.