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   
821-215 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   
839-324 7 Aiken SC   442   2026-10-16   
839-347 7 Newberry SC   434   2026-11-09   
854-244 7 Florence SC   432   2026-10-10   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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