Area Code 803-323 located in ROCK HILL, YORK, SC, more detail is as below. Place NPA (Numbering Plan Area) : 803 NXX (Local Number Prefix) : 323 City : ROCK HILL County : YORK State : SC (South Carolina) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 45091 LATA (Local Access Transport Area) : 422 Rate Center : ROCK HILL ZIP Code Count : 3 ZIP Code Frequency : 27 ZIP Code : 29730 Other Information NPANXX : 803323 Switch CLLI (Common Language Location Identifier) : RCHLSCXB32S MSA CBSA (Core Based Statistical Area) : Charlotte-Gastonia-Rock Hill, NC-SC MSA CBSA Code (Core Based Statistical Area) : 16740 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : ROCK HILL TELEPHONE CO. OCN (Operating Company Number) : 0542 Coverage Area Name : ROCK HILL Latitude : 34.9232 Longitude : -81.0282 ‹ previous : 803-322 next › : 803-323 Telephone Number List 803-323-0000 ~ 803-323-9999