Area Code 423-589 located in ATHENS, MCMINN, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 589 City : ATHENS County : MCMINN State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 47107 Rate Center : ATHENS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 37303 Other Information NPANXX : 423589 County Population : 0 Switch CLLI (Common Language Location Identifier) : KNVLTNGHCM0 MSA CBSA (Core Based Statistical Area) : Athens, TN MSA CBSA Code (Core Based Statistical Area) : 11940 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 423-588 next › : 423-591 Telephone Number List 423-589-0000 ~ 423-589-9999