Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Fri, 30 Jul 2010 00:36:17 UTC

How to use this page

NPA: 747 [Rate centres in NPA 747] [More information about NPA 747]

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
747-224 Northridge CA 7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730 2009-10-11 map
747-224-2 Northridge CA 7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730 2009-12-08
747-224-3 Northridge CA 7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730 2009-10-11
747-224-5 Northridge CA 4733 PAETEC COMMUNICATIONS, INC. - CA 730 2010-02-16
747-224-7 Northridge CA 981E BANDWIDTH.COM CLEC, LLC - CA 730 2010-02-27
747-777 Canoga Park CA 339F TELCENTRIS COMMUNICATIONS, LLC - CA 730 2010-08-21 map
747-777-0 Canoga Park CA 6529 T-MOBILE USA, INC. 730 2010-08-24
747-777-1 Canoga Park CA 339F TELCENTRIS COMMUNICATIONS, LLC - CA 730 2010-08-21
747-777-7 Canoga Park CA 339F TELCENTRIS COMMUNICATIONS, LLC - CA 730 2010-08-21
747-777-8 Canoga Park CA 266E 360NETWORKS (USA) INC. - CA 730 2010-08-24
747-999 San Fernando: San Fernando DA CA 339F TELCENTRIS COMMUNICATIONS, LLC - CA 730 2010-09-17 map
747-999-1 San Fernando: San Fernando DA CA 339F TELCENTRIS COMMUNICATIONS, LLC - CA 730 2010-09-17
747-999-9 San Fernando: San Fernando DA CA 339F TELCENTRIS COMMUNICATIONS, LLC - CA 730 2010-09-17

Sponsored by Execulink