Area Code 423-310 located in CLEVELAND, BRADLEY, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 310 City : CLEVELAND County : BRADLEY State : TN (Tennessee) NXX Use Type : Wireless NXX Intro Version : 2003-02-09 FIPS (Federal Information Processing Standards) : 47011 LATA (Local Access Transport Area) : 472 Rate Center : CLEVELAND ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 37312 Other Information NPANXX : 423310 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTGTNGZCM2 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 : NEW CINGULAR WIRELESS PCS, LLC - GA OCN (Operating Company Number) : 6214 Coverage Area Name : CLEVELAND Latitude : 35.1579 Longitude : -84.8675 ‹ previous : 423-309 next › : 423-310 Telephone Number List 423-310-0000 ~ 423-310-9999