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: 764

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-764 A Pomona CA POMNCAAADS0  748D MPOWER NETWORKS SERVICES INC. - CA 730      
909-764 0 Pomona CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-04   
909-764 1 Pomona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-05-21   
909-764 2 Pomona CA POMNCAAADS0  748D MPOWER NETWORKS SERVICES INC. - CA 730   2006-04-30   
909-764 3 Pomona CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-02-08   
909-764 4 Pomona CA SNANCAPCCM3  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-11-05   
909-764 5 Pomona CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-12-27   
909-764 6 Pomona CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-01-11   
909-764 7 Pomona CA SNANCAPCCM3  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-11-05   
909-764 8 Pomona CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-23   
909-764 9 Pomona CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2006-11-02   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.