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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-396 9 Mountain View CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
650-397 A Los Altos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-397 0 Los Altos CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2015-11-10   
650-397 1 Los Altos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-397 2 Los Altos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-397 3 Los Altos CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2007-06-26   
650-397 4 Los Altos CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-04-01   
650-397 5 Los Altos CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2011-10-03   
650-397 6 Los Altos CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-08-02   
650-397 7 Los Altos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-11-06   
650-397 8 Los Altos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-09-01   
650-397 9 Los Altos CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-06-21   
650-398 A San Mateo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-398 0 San Mateo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-398 1 San Mateo CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2018-10-21   
650-398 2 San Mateo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-398 3 San Mateo CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2019-06-19   
650-398 4 San Mateo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-02-07   
650-398 5 San Mateo CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-10-12   
650-398 6 San Mateo CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-10-12   
650-398 7 San Mateo CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-07-19   
650-398 8 San Mateo CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-07-19   
650-398 9 San Mateo CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-04-22   
650-399 A Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-399 0 Redwood City CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-01-08   
650-399 1 Redwood City CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722      
650-399 2 Redwood City CA   515J IP HORIZON LLC 722      
650-399 3 Redwood City CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-01-08   
650-399 4 Redwood City CA   515J IP HORIZON LLC 722      
650-399 5 Redwood City CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-11-15   
650-399 6 Redwood City CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-11-15   
650-399 7 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-09-26   
650-399 8 Redwood City CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-05-31   
650-399 9 Redwood City CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-09-26   
650-400 A Redwood City CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-401 A San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-402 A Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-402 0 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-02   
650-402 1 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-02   
650-402 2 Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-02   
650-402 3 Half Moon Bay CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-06-07   
650-402 4 Half Moon Bay CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-06-07   
650-402 5 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-10-29   
650-402 6 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-10-29   
650-402 7 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-09-08   
650-402 8 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-09-08   
650-402 9 Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2018-03-18   
650-403 A San Mateo CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-404 A Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-404 0 Mountain View CA MTVWCA11DS1  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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.