Area Code 256-335 located in SHEFFIELD, COLBERT, AL, more detail is as below. Place NPA (Numbering Plan Area) : 256 NXX (Local Number Prefix) : 335 City : SHEFFIELD County : COLBERT State : AL (Alabama) NXX Use Type : Wireless NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 01033 LATA (Local Access Transport Area) : 477 Rate Center : FLORENCE ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 35660 Other Information NPANXX : 256335 County Population : 0 Switch CLLI (Common Language Location Identifier) : HNVIAL03CM1 MSA CBSA (Core Based Statistical Area) : Florence-Muscle Shoals, AL MSA CBSA Code (Core Based Statistical Area) : 22520 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : POWERTEL BIRMINGHAM LICENSES, INC. OCN (Operating Company Number) : 7475 Coverage Area Name : FLORENCE Latitude : 34.8085 Longitude : -87.6782 ‹ previous : 256-334 next › : 256-335 Telephone Number List 256-335-0000 ~ 256-335-9999