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: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-450 4 Mountain View CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-09-09   
650-450 5 Mountain View CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2004-02-02   
650-450 6 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-10-11   
650-450 7 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-10-11   
650-450 8 Mountain View CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-21   
650-450 9 Mountain View CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-08-24   
650-451 A Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-451 0 Pacifica CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-09-22   
650-451 1 Pacifica CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-29   
650-451 2 Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-09-16   
650-451 3 Pacifica CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-451 4 Pacifica CA SNJSCAMC1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722   2007-01-06   
650-451 5 Pacifica CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-451 6 Pacifica CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-06-01   
650-451 7 Pacifica CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-20   
650-451 8 Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2002-12-12   
650-451 9 Pacifica CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-452 A South San Francisco CA SNFCCA01DS5  7421 AT&T - LOCAL 722      
650-452 0 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-07   
650-452 1 South San Francisco CA SNFCCA01DS5  7421 AT&T - LOCAL 722      
650-452 2 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-05   
650-452 3 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-05   
650-452 4 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-05   
650-452 5 South San Francisco CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-01-11   
650-452 6 South San Francisco CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-03-18   
650-452 7 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-02-09   
650-452 8 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-11-28   
650-452 9 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-07   
650-453 A San Carlos-Belmont CA SNFCCAMK8MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
650-453 0 San Carlos-Belmont CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-08-28   
650-453 1 San Carlos-Belmont CA SNFCCAMK8MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
650-453 2 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-08-14   
650-453 3 San Carlos-Belmont CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2011-03-24   
650-453 5 San Carlos-Belmont CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2010-08-05   
650-453 6 San Carlos-Belmont CA   624H ONVOY SPECTRUM, LLC 722   2025-01-30   
650-453 7 San Carlos-Belmont CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-25   
650-453 8 San Carlos-Belmont CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-14   
650-454 A Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-454 0 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-454 1 Redwood City CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-05-31   
650-454 2 Redwood City CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-05-31   
650-454 3 Redwood City CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-05-31   
650-454 4 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-10-27   
650-454 5 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-01-06   
650-454 6 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-454 7 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-454 8 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-04-14   
650-454 9 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-01-06   
650-455 A Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 0 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 1 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 2 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 3 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 4 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 5 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 6 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 7 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-07-24   
650-455 8 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-02-21   
650-455 9 Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-12   
650-456 A Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-456 0 Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-456 1 Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-456 2 Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-456 3 Pescadero CA SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2024-09-14   
650-456 5 Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-05-08   
650-456 6 Pescadero CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-04-01   
650-456 7 Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-09   
650-456 8 Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-05-08   
650-456 9 Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-22   
650-457 A South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-457 0 South San Francisco CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2015-12-08   
650-457 1 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-01-10   
650-457 2 South San Francisco CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-12-08   
650-457 3 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-12-28   
650-457 4 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-12-28   
650-457 5 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-22   
650-457 6 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-22   
650-457 7 South San Francisco CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2017-03-12   
650-457 8 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2017-06-12   
650-457 9 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-12-07   
650-458 A San Mateo CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-458 0 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-08-29   
650-458 1 San Mateo CA OKLECAZV1MD  5562 METROPCS, INC. 722   2008-12-21   
650-458 2 San Mateo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-11-16   
650-458 3 San Mateo CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-458 4 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-20   
650-458 5 San Mateo CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-18   
650-458 6 San Mateo CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-458 7 San Mateo CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-06   
650-458 8 San Mateo CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-458 9 San Mateo CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-459 A Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-459 0 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-04-06   
650-459 1 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-04-06   
650-459 2 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-04-06   
650-459 3 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-06-09   
650-459 4 Half Moon Bay CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-04-12   
650-459 5 Half Moon Bay CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-04-12   
650-459 7 Half Moon Bay CA SNFCCAMKX9X  073H TELNYX LLC 722   2021-02-27   
650-459 8 Half Moon Bay CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-12-10   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.