Area Code 256-231 located in ANNISTON, CALHOUN, AL, more detail is as below. Place NPA (Numbering Plan Area) : 256 NXX (Local Number Prefix) : 231 City : ANNISTON County : CALHOUN State : AL (Alabama) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 01015 LATA (Local Access Transport Area) : 476 Rate Center : ANNISTON ZIP Code Count : 69 ZIP Code Frequency : 22 ZIP Code : 36207 Other Information NPANXX : 256231 County Population : 0 Switch CLLI (Common Language Location Identifier) : ANTNALMTDS0 MSA CBSA (Core Based Statistical Area) : Anniston-Oxford, AL MSA CBSA Code (Core Based Statistical Area) : 11500 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL OCN (Operating Company Number) : 9419 Coverage Area Name : ANNISTON Latitude : 33.6597 Longitude : -85.8339 ‹ previous : 256-230 next › : 256-231 Telephone Number List 256-231-0000 ~ 256-231-9999