Area Code 423-306 located in CHUCKEY, GREENE, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 306 City : CHUCKEY County : GREENE State : TN (Tennessee) NXX Use Type : Wireless NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 47059 LATA (Local Access Transport Area) : 956 Rate Center : MIDWAY SUL ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 37641 Other Information NPANXX : 423306 County Population : 0 Switch CLLI (Common Language Location Identifier) : MDWYTNABCM1 MSA CBSA (Core Based Statistical Area) : Greeneville, TN MSA CBSA Code (Core Based Statistical Area) : 24620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN OCN (Operating Company Number) : 6673 Coverage Area Name : KINGSPORT Latitude : 36.4528 Longitude : -82.4704 ‹ previous : 423-305 next › : 423-307 Telephone Number List 423-306-0000 ~ 423-306-9999