Located in the Central (GMT -06:00) time zone. Area code 205 serves the state of Alabama. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 205 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D. Area code 659 was proposed as an overlay for the areas covered by the 205 area code in 2001.