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: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-284 A Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
747-284 0 Agoura CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2019-10-23   
747-284 1 Agoura CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-01-15   
747-284 2 Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-18   
747-284 3 Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-18   
747-284 4 Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-18   
747-284 5 Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-18   
747-284 6 Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-18   
747-284 7 Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-18   
747-284 8 Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-18   
747-284 9 Agoura CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-18   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.