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.

Switch: CHESSCXA1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
803-338 2 Ridgeway SC 527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 434   2022-02-07   
803-482 1 Great Falls SC 527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 434   2017-11-01   
803-689 A Lewisville SC 527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 434      
803-689 1 Lewisville SC 527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 434   2017-11-26   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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