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.

Pomona, CA

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
840-777 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 2 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 3 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 6 COVNCAXFX2Y  624H ONVOY SPECTRUM, LLC 730   2021-07-22   
840-777 7   145J TERRA NOVA TELECOM INC. 730   2021-02-23   
840-777 8 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-05-22   
840-777 9 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-05-22   
840-837 A LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
840-837 0 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-05-20   
840-837 1 COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2023-01-31   
840-837 2 COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2023-01-31   
840-837 3 COVNCAXFX2Y  624H ONVOY SPECTRUM, LLC 730   2022-03-12   
840-837 4 LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-03-11   
840-837 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-10-09   
840-837 6 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-03-12   
840-837 7 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-03-12   
840-837 8 COVNCAXFX2Y  624H ONVOY SPECTRUM, LLC 730   2022-03-12   
840-837 9 LSANCARC32Z  073H TELNYX LLC 730   2022-03-12   
909-236 A RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-236 0 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2007-05-12   
909-236 1 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2007-05-12   
909-236 2 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2007-05-12   
909-236 3 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2007-05-12   
909-236 4 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2007-05-12   
909-236 5 SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2009-04-03   
909-236 6 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-06-06   
909-236 7 COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2008-06-06   
909-236 8 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-06-19   
909-236 9 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-06-19   
909-242 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-242 0 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-10-17   
909-242 1 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-10-17   
909-242 2 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-10-17   
909-242 3 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-12-20   
909-242 4 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-12-20   
909-242 5 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2011-07-13   
909-242 6 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2008-12-20   
909-242 7 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2007-09-10   
909-242 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-04-19   
909-242 9 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-01-31   
909-263 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-282 A RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-282 0 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2002-12-01   
909-282 1 RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-282 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-10-06   
909-282 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-10-07   
909-282 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-10-07   

<< 1 2 3 4 5 6 7 8 9 10 11 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.