Area Code 423-212 located in BLOUNTVILLE, SULLIVAN, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 212 City : BLOUNTVILLE County : SULLIVAN State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 2002-10-25 FIPS (Federal Information Processing Standards) : 47163 LATA (Local Access Transport Area) : 956 Rate Center : BLOUNTVL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 37617 Other Information NPANXX : 423212 County Population : 0 Switch CLLI (Common Language Location Identifier) : JHCYTNXCOMD MSA CBSA (Core Based Statistical Area) : Kingsport-Bristol-Bristol, TN-VA MSA CBSA Code (Core Based Statistical Area) : 28700 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - TN OCN (Operating Company Number) : 4806 Coverage Area Name : BLOUNTVILLE Latitude : 36.5316 Longitude : -82.3248 ‹ previous : 423-210 next › : 423-213 Telephone Number List 423-212-0000 ~ 423-212-9999