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: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 738

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-738 A Ontario CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-738 0 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2017-06-10   
909-738 1 Ontario CA LSANCAJW6MD  073H TELNYX LLC 730   2017-06-02   
909-738 2 Ontario CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2017-07-07   
909-738 3 Ontario CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2017-07-09   
909-738 4 Ontario CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2017-07-15   
909-738 5 Ontario CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2017-04-06   
909-738 6 Ontario CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-12-22   
909-738 7 Ontario CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-12-22   
909-738 8 Ontario CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-12-22   
909-738 9 Ontario CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2017-04-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.