Area Code 803-300 located in BARNWELL, BARNWELL, SC, more detail is as below. Place NPA (Numbering Plan Area) : 803 NXX (Local Number Prefix) : 300 City : BARNWELL County : BARNWELL State : SC (South Carolina) NXX Use Type : Wireless NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 45011 LATA (Local Access Transport Area) : 434 Rate Center : BARNWELL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 29812 Other Information NPANXX : 803300 Switch CLLI (Common Language Location Identifier) : CLMASCJXBMD Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : ALLIED WIRELESS COMMUNICATION LLC DBA ALLTEL - SC OCN (Operating Company Number) : 6302 Coverage Area Name : BARNWELL Latitude : 33.2450 Longitude : -81.3666 ‹ previous : 803-299 next › : 803-301 Telephone Number List 803-300-0000 ~ 803-300-9999