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: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-837 A Pomona CA SNANCAPCCM3  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-837 0 Pomona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2005-03-04   
909-837 1 Pomona CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2011-04-04   
909-837 2 Pomona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2019-01-20   
909-837 3 Pomona CA   649C ONVOY, LLC - CA 730   2005-03-04   
909-837 4 Pomona CA SNANCAPCCM3  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-03-26   
909-837 5 Pomona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2005-04-30   
909-837 6 Pomona CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-13   
909-837 7 Pomona CA SNANCAPCCM3  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-07   
909-837 8 Pomona CA SNANCAPCCM3  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-07   
909-837 9 Pomona CA SNANCAPCCM3  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-07   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.