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
650-827 5 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-09-20   
650-827 6 South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-827 7 South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-827 8 South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-827 9 South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-829 A South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-830 A San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-830 0 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-830 1 San Carlos-Belmont CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-09-23   
650-830 2 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-02-02   
650-830 3 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-08-25   
650-830 4 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-03-22   
650-830 5 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-04-07   
650-830 6 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-03-22   
650-830 7 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-04-06   
650-830 8 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-25   
650-830 9 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-25   
650-832 A San Carlos-Belmont CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-832 0 San Carlos-Belmont CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-832 1 San Carlos-Belmont CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-03-05   
650-832 2 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-09   
650-832 3 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2019-02-09   
650-832 4 San Carlos-Belmont CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2016-03-31   
650-832 5 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-11-15   
650-832 6 San Carlos-Belmont CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-832 7 San Carlos-Belmont CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2018-10-22   
650-832 8 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-09-20   
650-832 9 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2017-09-14   
650-833 A Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 0 Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 1 Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 2 Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 3 Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 4 Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 5 Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 6 Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 7 Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-833 8 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-10-16   
650-833 9 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-11-16   
650-834 A South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 0 South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 1 South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 2 South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 3 South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 4 South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 5 South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 6 South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 7 South San Francisco CA OKLECAZV1MD  5562 METROPCS, INC. 722      
650-834 8 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-11-04   
650-834 9 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-11-04   
650-835 A South San Francisco CA   515J IP HORIZON LLC 722      
650-835 0 South San Francisco CA   515J IP HORIZON LLC 722      
650-835 1 South San Francisco CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722      
650-835 2 South San Francisco CA   515J IP HORIZON LLC 722      
650-835 3 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-11-04   
650-835 4 South San Francisco CA   515J IP HORIZON LLC 722      
650-835 5 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-11-04   
650-835 7 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-24   
650-835 8 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2010-10-26   
650-836 A Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-836 0 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 1 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 2 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 3 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 4 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 5 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 6 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 7 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 8 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-836 9 Pescadero CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-08-01   
650-837 A South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 0 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-07-14   
650-837 1 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-10-09   
650-837 2 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 4 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 5 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 7 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 8 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 9 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-838 A Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-839 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-839 0 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-839 1 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-839 2 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-30   
650-839 3 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-08-23   
650-839 4 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-07-06   
650-839 5 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-839 6 Redwood City CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2018-11-02   
650-839 7 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-30   
650-839 8 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-839 9 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-30   
650-842 A Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-842 0 Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-06-17   
650-842 1 Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-842 2 Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-842 3 Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-842 4 Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-842 5 Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-842 6 Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-842 7 Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      

<< 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, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.