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.

Modesto, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
209-900 A SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-900 0 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2011-12-30   
209-900 1 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2012-01-02   
209-900 2 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2012-01-02   
209-900 3 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2012-02-24   
209-900 4 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2012-02-24   
209-900 5 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2012-03-08   
209-900 6 SKTNCA01XPY  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 738   2012-02-22   
209-900 7 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2015-03-11   
209-900 8 SKTNCA01X6Y  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-04-16   
209-900 9 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2011-12-30   
209-918 A SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 0 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 1 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 2 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 3 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 4 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 5 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 6 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 7 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-918 8 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2003-11-05   
209-918 9 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2003-11-05   
209-961 A SKTNCACZ0MD  490J DISH WIRELESS, LLC 738      
209-961 0 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2022-11-13   
209-961 1 SKTNCA01XIZ  073H TELNYX LLC 738   2022-11-27   
209-961 2 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2022-11-27   
209-961 3 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2022-12-27   
209-961 4 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2023-05-11   
209-961 5 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2023-06-14   
209-961 6 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2023-07-11   
209-961 7 SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2023-03-19   
209-961 8 SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-11-30   
209-961 9 SKTNCACZ0MD  490J DISH WIRELESS, LLC 738   2022-03-11   
209-968 A SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-971 A SKTNCA01XXZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738      
209-971 0 SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-21   
209-971 1 SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-21   
209-971 2 SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-21   
209-971 3 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2023-12-21   
209-971 4   6529 T-MOBILE USA, INC. 738   2024-02-10   
209-971 5 SKTNCA01XXZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2022-08-25   
209-971 6 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-01-15   
209-971 7 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-01-15   
209-971 8 SKTNCA01XXZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2022-08-25   
209-971 9 SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-21   
209-985 A SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738      
209-988 A SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-996 A SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
350-207 A SKTNCASL5MD  732J NUSO, LLC 738      
350-207 0 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-07-24   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.