Area Code 423-374 located in CARYVILLE, CAMPBELL, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 374 City : CARYVILLE County : CAMPBELL State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 2002-05-01 FIPS (Federal Information Processing Standards) : 47013 LATA (Local Access Transport Area) : 474 Rate Center : LAFOLLETTE ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 37714 Other Information NPANXX : 423374 County Population : 0 MSA CBSA (Core Based Statistical Area) : La Follette, TN MSA CBSA Code (Core Based Statistical Area) : 29220 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : ALEC, LLC - TN OCN (Operating Company Number) : 2588 Coverage Area Name : LA FOLLETTE Latitude : 36.3832 Longitude : -84.1177 ‹ previous : 423-373 next › : 423-374 Telephone Number List 423-374-0000 ~ 423-374-9999