Located in the Central (GMT -06:00) time zone. Area code 938 serves the state of Alabama. This area code was assigned on March 4th, 2009. On July 10th, 2010 it went into service. 938 is a General Purpose Code. 938 service area does overlap with 256 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.