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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-476 A North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-476 0 North Hollywood CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-05-17   
747-476 1 North Hollywood CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-05-17   
747-476 2 North Hollywood CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-05-17   
747-476 3 North Hollywood CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-12-16   
747-476 4 North Hollywood CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-22   
747-476 5 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-02-06   
747-476 6 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-02-06   
747-476 7 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-02-06   
747-476 8 North Hollywood CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-12-16   
747-476 9 North Hollywood CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-12-16   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.