Area Code 423-303 located in CLEVELAND, BRADLEY, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 303 City : CLEVELAND County : BRADLEY State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 47011 LATA (Local Access Transport Area) : 472 Rate Center : CLEVELAND ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 37312 Other Information NPANXX : 423303 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTGTN12XZX 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 : US LEC OF TENNESSEE, INC OCN (Operating Company Number) : 8356 Coverage Area Name : CLEVELAND Latitude : 35.1579 Longitude : -84.8675 ‹ previous : 423-302 next › : 423-304 Telephone Number List 423-303-0000 ~ 423-303-9999