Area Code 864-621 located in UNA, SPARTANBURG, SC, more detail is as below. Place NPA (Numbering Plan Area) : 864 NXX (Local Number Prefix) : 621 City : UNA County : SPARTANBURG State : SC (South Carolina) NXX Use Type : Wireless NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 45083 LATA (Local Access Transport Area) : 430 Rate Center : SPARTANBG ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 29378 Other Information NPANXX : 864621 Switch CLLI (Common Language Location Identifier) : GNVLSCDBCM8 MSA CBSA (Core Based Statistical Area) : Spartanburg, SC MSA CBSA Code (Core Based Statistical Area) : 43900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : SUNCOM DBA T-MOBILE USA OCN (Operating Company Number) : 8645 Coverage Area Name : SPARTANBURG Latitude : 34.9489 Longitude : -81.9321 ‹ previous : 864-621 next › : 864-621 Telephone Number List 864-621-0000 ~ 864-621-9999