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: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-516 8 San Jose: West DA CA   649C ONVOY, LLC - CA 722      
408-516 9 San Jose: West DA CA   649C ONVOY, LLC - CA 722      
408-517 A San Jose: West DA CA SNJSCA12DS1  9740 PACIFIC BELL 722      
408-517 0 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-517 1 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-517 2 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-517 3 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-517 4 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-517 5 San Jose: West DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-04-23   
408-517 6 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-517 7 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-517 8 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-517 9 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-518 A San Jose: North DA CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-518 0 San Jose: North DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-09   
408-518 1 San Jose: North DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-02-29   
408-518 2 San Jose: North DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-02-29   
408-518 3 San Jose: North DA CA   145J TERRA NOVA TELECOM INC. 722   2023-07-06   
408-518 4 San Jose: North DA CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-518 5 San Jose: North DA CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-518 6 San Jose: North DA CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-518 7 San Jose: North DA CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-518 8 San Jose: North DA CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2004-02-02   
408-518 9 San Jose: North DA CA   5562 METROPCS, INC. 722   2005-03-13   
408-519 A San Jose: North DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-520 A San Jose: North DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
408-520 0 San Jose: North DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
408-520 1 San Jose: North DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
408-520 2 San Jose: North DA CA   515J IP HORIZON LLC 722   2010-03-15   
408-520 3 San Jose: North DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-05-17   
408-520 4 San Jose: North DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-05-17   
408-520 5 San Jose: North DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-05-17   
408-520 6 San Jose: North DA CA   5562 METROPCS, INC. 722   2010-05-29   
408-520 7 San Jose: North DA CA   649C ONVOY, LLC - CA 722   2010-01-23   
408-520 8 San Jose: North DA CA   6529 T-MOBILE USA, INC. 722   2010-06-11   
408-520 9 San Jose: North DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-07-09   
408-521 A San Jose: West DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
408-521 0 San Jose: West DA CA   649C ONVOY, LLC - CA 722      
408-521 1 San Jose: West DA CA   649C ONVOY, LLC - CA 722      
408-521 2 San Jose: West DA CA   649C ONVOY, LLC - CA 722      
408-521 3 San Jose: West DA CA   649C ONVOY, LLC - CA 722      
408-521 4 San Jose: West DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2001-06-20   
408-521 5 San Jose: West DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2001-06-20   
408-521 6 San Jose: West DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2001-06-20   
408-521 7 San Jose: West DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2001-06-20   
408-521 8 San Jose: West DA CA   939H COMMIO, LLC 722   2024-02-22   
408-521 9 San Jose: West DA CA   649C ONVOY, LLC - CA 722      
408-522 A Sunnyvale CA SNVACA01DS1  9740 PACIFIC BELL 722      
408-522 0 Sunnyvale CA   9740 PACIFIC BELL 722      
408-522 1 Sunnyvale CA   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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.