Area Code 256-506 located in GUNTERSVILLE, MARSHALL, AL, more detail is as below. Place NPA (Numbering Plan Area) : 256 NXX (Local Number Prefix) : 506 City : GUNTERSVILLE County : MARSHALL State : AL (Alabama) NXX Use Type : Wireless NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 01095 LATA (Local Access Transport Area) : 476 Rate Center : GUNTERSVL ZIP Code Count : 2 ZIP Code Frequency : 67 ZIP Code : 35976 Other Information NPANXX : 256506 County Population : 0 Switch CLLI (Common Language Location Identifier) : BRHMALXSCM2 MSA CBSA (Core Based Statistical Area) : Albertville, AL MSA CBSA Code (Core Based Statistical Area) : 10700 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - GA OCN (Operating Company Number) : 6214 Coverage Area Name : GUNTERSVILLE Latitude : 34.3511 Longitude : -86.3029 ‹ previous : 256-506 next › : 256-507 Telephone Number List 256-506-0000 ~ 256-506-9999