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: 747 [Rate centres in NPA 747] [Dial plan for NPA 747]

NXX: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-745 A Northridge CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
747-745 0 Northridge CA LSANCAJW7MD  939H COMMIO, LLC 730      
747-745 1 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
747-745 2 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
747-745 3 Northridge CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-745 4 Northridge CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
747-745 5 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
747-745 6 Northridge CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
747-745 7 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
747-745 8 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
747-745 9 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.