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
650-551 8 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-551 9 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-11-16   
650-552 A Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-552 0 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-552 1 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-552 2 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-552 3 Millbrae CA   145J TERRA NOVA TELECOM INC. 722   2021-01-06   
650-552 4 Millbrae CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-29   
650-552 5 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-552 6 Millbrae CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
650-552 7 Millbrae CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-05-29   
650-552 8 Millbrae CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-15   
650-552 9 Millbrae CA MLBRCA11DS0  9740 PACIFIC BELL 722      
650-553 A South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-554 A San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-554 0 San Mateo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-02-10   
650-554 1 San Mateo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-05-07   
650-554 2 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-554 3 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-554 4 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-554 5 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-554 6 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-554 7 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-554 8 San Mateo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-05-07   
650-554 9 San Mateo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-02-16   
650-556 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-556 0 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-556 1 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-556 2 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-556 3 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-07-10   
650-556 4 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-07-10   
650-556 5 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-04-05   
650-556 6 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-04-05   
650-556 7 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-556 8 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-556 9 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-557 A Pacifica CA PCFCCA11DS0  9740 PACIFIC BELL 722      
650-557 0 Pacifica CA PCFCCA11DS0  9740 PACIFIC BELL 722      
650-557 1 Pacifica CA PCFCCA11DS0  9740 PACIFIC BELL 722      
650-557 2 Pacifica CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-30   
650-557 3 Pacifica CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-09   
650-557 4 Pacifica CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2003-08-26   
650-557 5 Pacifica CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
650-557 6 Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2008-02-04   
650-557 7 Pacifica CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
650-557 8 Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-04-12   
650-557 9 Pacifica CA PCFCCA11DS0  9740 PACIFIC BELL 722      
650-558 A San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-559 A Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-559 0 Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-559 1 Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-559 2 Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-559 3 Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-559 4 Los Altos CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-07-20   
650-559 5 Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-559 6 Los Altos CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-11-10   
650-559 7 Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-559 8 Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-559 9 Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-560 A Half Moon Bay CA HMBACA12DS0  9740 PACIFIC BELL 722      
650-560 0 Half Moon Bay CA HMBACA12DS0  9740 PACIFIC BELL 722      
650-560 1 Half Moon Bay CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-09-02   
650-560 2 Half Moon Bay CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-09-02   
650-560 3 Half Moon Bay CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-09-02   
650-560 4 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-560 5 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-24   
650-560 6 Half Moon Bay CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-10   
650-560 7 Half Moon Bay CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-06-21   
650-560 8 Half Moon Bay CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2010-04-23   
650-560 9 Half Moon Bay CA HMBACA12DS0  9740 PACIFIC BELL 722      
650-561 A Palo Alto CA MNPKCA11DS0  9740 PACIFIC BELL 722      
650-561 0 Palo Alto CA MNPKCA11DS0  9740 PACIFIC BELL 722      
650-561 1 Palo Alto CA MNPKCA11DS0  9740 PACIFIC BELL 722      
650-561 2 Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-01-31   
650-561 3 Palo Alto CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2006-11-02   
650-561 4 Palo Alto CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2006-11-02   
650-561 5 Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-01-31   
650-561 6 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-561 7 Palo Alto CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-06-04   
650-561 8 Palo Alto CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-06-04   
650-561 9 Palo Alto CA MNPKCA11DS0  9740 PACIFIC BELL 722      
650-562 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-562 0 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-562 1 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-562 2 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-562 3 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-562 4 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-562 5 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-13   
650-562 6 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-03-07   
650-562 7 Redwood City CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2013-04-26   
650-562 8 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-10   
650-562 9 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-563 A Moss Beach CA MSBHCA11RS2  9740 PACIFIC BELL 722      
650-563 0 Moss Beach CA SNJUCACL4MD  939H COMMIO, LLC 722   2022-07-16   
650-563 1 Moss Beach CA   515J IP HORIZON LLC 722   2003-10-12   
650-563 2 Moss Beach CA   515J IP HORIZON LLC 722   2003-10-12   
650-563 3 Moss Beach CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2024-08-18   
650-563 4 Moss Beach CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2010-04-23   
650-563 5 Moss Beach CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-02-21   
650-563 6 Moss Beach CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-02-21   

<< 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: Execulink Telecom

Like this site? We accept donations via PayPal.