Area Code 803-637 located in MC CORMICK, MCCORMICK, SC, more detail is as below. Place NPA (Numbering Plan Area) : 803 NXX (Local Number Prefix) : 637 City : MC CORMICK County : MCCORMICK State : SC (South Carolina) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 45065 LATA (Local Access Transport Area) : 442 Rate Center : EDGEFIELD ZIP Code Count : 78 ZIP Code Frequency : 3 ZIP Code : 29835 Other Information NPANXX : 803637 Switch CLLI (Common Language Location Identifier) : EDFDSCMARS1 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL OCN (Operating Company Number) : 9417 Coverage Area Name : EDGEFIELD Latitude : 33.7900 Longitude : -81.9314 ‹ previous : 803-636 next › : 803-637 Telephone Number List 803-637-0000 ~ 803-637-9999