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
650-582 5 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-08-06   
650-582 6 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-08-06   
650-582 7 Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-08-02   
650-582 8 Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-09-02   
650-582 9 Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-10-16   
650-583 A South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-584 A Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-584 0 Mountain View CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-06-14   
650-584 1 Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-584 2 Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-584 3 Mountain View CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2010-06-11   
650-584 4 Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-584 5 Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-584 6 Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-584 7 Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-584 8 Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-584 9 Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-585 A San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-585 0 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-06-06   
650-585 1 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-585 2 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-585 3 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-06-06   
650-585 4 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-585 5 San Carlos-Belmont CA   145J TERRA NOVA TELECOM INC. 722   2023-02-16   
650-585 6 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-585 7 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-585 8 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-06-06   
650-585 9 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-586 A Palo Alto CA SNJUCACL3MD  073H TELNYX LLC 722      
650-586 0 Palo Alto CA SNJUCACL3MD  073H TELNYX LLC 722   2021-03-25   
650-586 1 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-07-12   
650-586 2 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-08-16   
650-586 3 Palo Alto CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-22   
650-586 4 Palo Alto CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-22   
650-586 5 Palo Alto CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-05-23   
650-586 6 Palo Alto CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-05-23   
650-586 7 Palo Alto CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-05-30   
650-586 8 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-06-28   
650-586 9 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-08-30   
650-587 A Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 0 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 1 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 2 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-09-17   
650-587 3 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 4 Redwood City CA SNJUCACL3MD  073H TELNYX LLC 722   2017-06-02   
650-587 5 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 6 Redwood City CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
650-587 7 Redwood City CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-11-19   
650-587 8 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-07-10   
650-587 9 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-588 A South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-589 A South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-590 A San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-590 0 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-590 1 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-590 2 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-590 3 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-590 4 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-11-13   
650-590 5 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-590 6 San Carlos-Belmont CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-11-13   
650-590 7 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-590 8 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-590 9 San Carlos-Belmont CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-26   
650-591 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-592 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-593 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 0 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 1 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 2 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 3 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 4 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 5 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 6 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-17   
650-594 7 San Carlos-Belmont CA   515J IP HORIZON LLC 722   2016-09-14   
650-594 8 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 9 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 0 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 1 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 2 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 3 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 4 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 5 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 6 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-09-10   
650-595 7 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 8 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 9 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-596 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-597 A San Carlos-Belmont CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-597 0 San Carlos-Belmont CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-07-06   
650-597 1 San Carlos-Belmont CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2008-12-07   
650-597 2 San Carlos-Belmont CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-07-06   
650-597 3 San Carlos-Belmont CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-07-06   
650-597 4 San Carlos-Belmont CA   829J PAETEC ITEL, LLC 722   2011-11-16   
650-597 5 San Carlos-Belmont CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-597 6 San Carlos-Belmont CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-07   
650-597 7 San Carlos-Belmont CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-07   
650-597 8 San Carlos-Belmont CA   829J PAETEC ITEL, LLC 722   2016-05-10   
650-597 9 San Carlos-Belmont CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-08-28   

<< 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, 01 Jun 2025 02:18:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.