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: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-279 A North Hollywood CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
747-279 0 North Hollywood CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-05-28   
747-279 1 North Hollywood CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-05-28   
747-279 2 North Hollywood CA LSANCARC86Z  996H AIRESPRING, INC. 730   2020-06-27   
747-279 3 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-07-06   
747-279 4 North Hollywood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-07-06   
747-279 5 North Hollywood CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-02-29   
747-279 6 North Hollywood CA LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-02-27   
747-279 7 North Hollywood CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-01-17   
747-279 8 North Hollywood CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2019-10-26   
747-279 9 North Hollywood CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2019-10-26   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.