Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 837C INTRADO COMMUNICATIONS, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
803-890 7 Orangeburg SC   434   2026-11-09   
821-214 4 Seneca SC   430   2026-10-23   
821-215 0 Anderson SC   430   2026-10-10   
821-217 7 Greenville SC   430   2026-10-05   
821-333 4 Spartanburg SC   430   2026-10-10   
821-888 2 Clemson SC   430   2026-11-01   
821-999 7 Gaffney SC   430   2026-11-01   
839-309 2 Barnwell SC   434   2026-10-23   
839-324 7 Aiken SC   442   2026-10-16   
839-327 7 Camden SC   434   2026-10-30   
839-338 7 North Augusta SC   442   2026-10-23   
839-347 7 Newberry SC   434   2026-11-09   
854-244 7 Florence SC   432   2026-10-10   
854-287 2 Mount Pleasant SC   436   2026-10-30   
854-299 7 Hartsville SC   432   2026-11-01   
864-922 7 Greer SC   430   2026-10-30   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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