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.


NPA-NXX BLOCK Rate Centre Region OCN LATA Eff date Disc date Map
215-609 A Philadelphia Zone 1 PA 3115 CTC COMMUNICATIONS CORP. - PA 228 2005-04-03    map
302-650 A Wilmington DE 2696 CTC COMMUNICATIONS CORP. - DE 228 2005-03-27    map
484-615 A Philadelphia Suburban Zone 28 PA 3115 CTC COMMUNICATIONS CORP. - PA 228 2005-03-27    map

Last updated: Sat, 09 Jun 2018 13:21:19 UTC

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