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: PHLAPAMKXGZ

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: Sun, 12 Nov 2017 02:06:07 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.