Area Code 423-743 located in ERWIN, UNICOI, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 743 City : ERWIN County : UNICOI State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 47171 LATA (Local Access Transport Area) : 956 Rate Center : ERWIN ZIP Code Count : 2894 ZIP Code Frequency : 71 ZIP Code : 37650 Other Information NPANXX : 423743 County Population : 0 Switch CLLI (Common Language Location Identifier) : ERWNTNXARS0 MSA CBSA (Core Based Statistical Area) : Johnson City, TN MSA CBSA Code (Core Based Statistical Area) : 27740 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN OCN (Operating Company Number) : 4510 Coverage Area Name : ERWIN Latitude : 36.1418 Longitude : -82.4146 ‹ previous : 423-743 next › : 423-744 Telephone Number List 423-743-0000 ~ 423-743-9999
