List of Alabama area codes

The U.S. state of Alabama is served by six area codes. When the North American Numbering Plan was first defined in 1947, Alabama was a single numbering plan area (NPA), with area code 205. This configuration existed until 1995 when area code 334 was added for the southeastern part of the state. In 1998, area code 256 was assigned for northern Alabama. It had an overlay area code 938 added in 2010, which required ten-digit dialing. The area code 251 in south Alabama was split area code from 334 in 2001. Area code 659 was installed in 2019, after having been proposed in 2001.

Area code	Established	Parent NPA	Overlay	Numbering plan area	Map
205	1947	–	205/659	Central and west central Alabama; Entire state before the creation of area code 334
659	2019	205		Central and west central Alabama, including Birmingham, Tuscaloosa, Hoover, Northport, Jasper, Oneonta, Clanton, and Pell City
256	1998	205	256/938	Northern and east central Alabama, including Huntsville-Decatur, Florence-Muscle Shoals, Gadsden, Anniston, Alexander City, and Sylacauga
938	2010	256
334	1995	205	–	South central and southeastern Alabama, including Montgomery, Auburn-Opelika, Dothan, Valley, and Selma; southern half of the state before area code 251 created;
251	2001	334	–	Southwestern Alabama, including Mobile, Monroeville, Atmore, Gulf Shores, and Daphne

• List of North American Numbering Plan area codes

• "Area Code Maps". North American Numbering Plan Administrator.