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
650-374 9 Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-06-27   
650-375 A San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 0 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 1 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 2 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-02-13   
650-375 3 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 4 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 5 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 6 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 7 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 8 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-375 9 San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-376 A San Mateo CA SNFCCAMK8MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
650-376 0 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-02-13   
650-376 1 San Mateo CA SNFCCAMK8MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
650-376 2 San Mateo CA SNFCCAMK8MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
650-376 3 San Mateo CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2006-10-17   
650-376 4 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-376 5 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-376 6 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-376 7 San Mateo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-02-09   
650-376 8 San Mateo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-04-14   
650-376 9 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-377 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 0 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 1 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 2 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 3 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 4 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 5 San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-377 6 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 7 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 8 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-377 9 San Mateo CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-378 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-379 A South San Francisco CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-379 0 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-01-08   
650-379 1 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-379 2 South San Francisco CA SNTDCABLPS0  7174 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 722   2018-06-11   
650-379 3 South San Francisco CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2017-10-12   
650-379 4 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-379 5 South San Francisco CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2018-11-15   
650-379 6 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-04   
650-379 7 South San Francisco CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-09-24   
650-379 8 South San Francisco CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2020-04-09   
650-379 9 South San Francisco CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-11-26   
650-380 A Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 0 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 1 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 2 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 3 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 4 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 5 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 6 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 7 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-380 8 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2004-03-03   
650-380 9 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2004-03-03   
650-381 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-381 0 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-07-31   
650-381 1 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-07-31   
650-381 2 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-381 3 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-381 4 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-07-15   
650-381 5 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-381 6 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-381 7 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-381 8 Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-381 9 Redwood City CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
650-382 A Palo Alto CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
650-382 0 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-382 1 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-382 2 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-382 3 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-382 4 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-382 5 Palo Alto CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-01-04   
650-382 6 Palo Alto CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2014-11-30   
650-382 7 Palo Alto CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-07-20   
650-382 8 Palo Alto CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-07-20   
650-382 9 Palo Alto CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-07-20   
650-383 A Los Altos CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-383 0 Los Altos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-09   
650-383 1 Los Altos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2010-03-06   
650-383 2 Los Altos CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2014-11-14   
650-383 3 Los Altos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-11-06   
650-383 4 Los Altos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-09   
650-383 5 Los Altos CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
650-383 6 Los Altos CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2008-09-22   
650-383 7 Los Altos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
650-383 8 Los Altos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
650-383 9 Los Altos CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-384 A Palo Alto CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-384 0 Palo Alto CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-10-16   
650-384 1 Palo Alto CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2008-01-22   
650-384 2 Palo Alto CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2011-05-14   
650-384 3 Palo Alto CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2008-01-22   
650-384 4 Palo Alto CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-384 5 Palo Alto CA SNFDCACVCM7  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-01-06   
650-384 6 Palo Alto CA SNFCCA01XGX  516C AT&T CORP. 722   2006-07-07   
650-384 7 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-11-02   
650-384 8 Palo Alto CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2002-02-05   

<< 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.