Area Code 423-271 located in SWEETWATER, MONROE, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 271 City : SWEETWATER County : MONROE State : TN (Tennessee) NXX Use Type : Wireless NXX Intro Version : 4/14/2011 FIPS (Federal Information Processing Standards) : 47123 LATA (Local Access Transport Area) : 474 Rate Center : SWEETWATER ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 37874 Other Information NPANXX : 423271 County Population : 0 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 : SWEETWATER Latitude : 35.6008 Longitude : -84.4654 ‹ previous : 423-270 next › : 423-272 Telephone Number List 423-271-0000 ~ 423-271-9999