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: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-331 A Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
747-331 0 Glendale CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
747-331 1 Glendale CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
747-331 2 Glendale CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-331 3 Glendale CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-331 4 Glendale CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-331 5 Glendale CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-331 6 Glendale CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-331 7 Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
747-331 8 Glendale CA   939H COMMIO, LLC 730      
747-331 9 Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.