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 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-407 6 Palo Alto CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-03-08   
650-407 7 Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-08-27   
650-407 8 Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-08-27   
650-407 9 Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-08-27   
650-408 A Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 0 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 1 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 2 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 3 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 4 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 5 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 6 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 7 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 8 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-408 9 Mountain View CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-09   
650-409 A Millbrae CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-409 0 Millbrae CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-409 1 Millbrae CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-08   
650-409 2 Millbrae CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-07-27   
650-409 3 Millbrae CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-27   
650-409 4 Millbrae CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-409 5 Millbrae CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-10-18   
650-409 6 Millbrae CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-28   
650-409 7 Millbrae CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-28   
650-409 8 Millbrae CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-10-18   
650-409 9 Millbrae CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
650-410 A South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-410 0 South San Francisco CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-07-08   
650-410 1 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-08   
650-410 2 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-08   
650-410 3 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-08-26   
650-410 4 South San Francisco CA   649C ONVOY, LLC - CA 722   2025-10-13   
650-410 5 South San Francisco CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2017-05-15   
650-410 6 South San Francisco CA   515J IP HORIZON LLC 722   2016-09-14   
650-410 7 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-06-10   
650-410 8 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-06-10   
650-412 A San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-412 0 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-412 1 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-412 2 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-412 3 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-412 4 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-412 5 San Carlos-Belmont CA   649C ONVOY, LLC - CA 722   2026-04-20   
650-412 6 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-03-22   
650-412 7 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
650-412 8 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
650-412 9 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-413 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-413 0 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-413 1 San Carlos-Belmont CA SNCRCA11DS0  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 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 >>

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.