Area Code 423-216 located in BENTON, POLK, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 216 City : BENTON County : POLK State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 47139 LATA (Local Access Transport Area) : 472 Rate Center : BENTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 37307 Other Information NPANXX : 423216 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTGTNNSW94 MSA CBSA (Core Based Statistical Area) : Cleveland, TN MSA CBSA Code (Core Based Statistical Area) : 17420 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NETWORK TELEPHONE CORPORATION - TN OCN (Operating Company Number) : 3633 Coverage Area Name : BENTON Latitude : 35.1758 Longitude : -84.6557 ‹ previous : 423-215 next › : 423-217 Telephone Number List 423-216-0000 ~ 423-216-9999