Located in the Central (GMT -06:00) time zone. Area code 281 serves the state of Texas. This area code was assigned on August 19th, 1994. On November 2nd, 1996 it went into service. 281 is a General Purpose Code. 281 service area does overlap with 346 713 832 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.