Area Code 423-562 located in SPEEDWELL, CLAIBORNE, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 562 City : SPEEDWELL County : CLAIBORNE State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 47025 LATA (Local Access Transport Area) : 474 Rate Center : LAFOLLETTE ZIP Code Count : 264 ZIP Code Frequency : 5 ZIP Code : 37870 Other Information NPANXX : 423562 County Population : 0 Switch CLLI (Common Language Location Identifier) : LFLTTNMADS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL OCN (Operating Company Number) : 9419 Coverage Area Name : LA FOLLETTE Latitude : 36.3775 Longitude : -84.1283 ‹ previous : 423-562 next › : 423-562 Telephone Number List 423-562-0000 ~ 423-562-9999