Area Code 256-423 located in TONEY, MADISON, AL, more detail is as below. Place NPA (Numbering Plan Area) : 256 NXX (Local Number Prefix) : 423 City : TONEY County : MADISON State : AL (Alabama) NXX Use Type : Landline NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 01089 LATA (Local Access Transport Area) : 470 Rate Center : ARDMORE ZIP Code Count : 138 ZIP Code Frequency : 6 ZIP Code : 35773 Other Information NPANXX : 256423 County Population : 0 Switch CLLI (Common Language Location Identifier) : ARMRALXADS0 MSA CBSA (Core Based Statistical Area) : Huntsville, AL MSA CBSA Code (Core Based Statistical Area) : 26620 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ARDMORE TELEPHONE CO., INC. OCN (Operating Company Number) : 0280 Coverage Area Name : ARDMORE Latitude : 34.9904 Longitude : -86.8421 ‹ previous : 256-423 next › : 256-423 Telephone Number List 256-423-0000 ~ 256-423-9999