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
408-669 7 San Jose: South DA CA   6529 T-MOBILE USA, INC. 722   2015-02-09   
408-669 8 San Jose: South DA CA   6529 T-MOBILE USA, INC. 722   2015-02-06   
408-669 9 San Jose: South DA CA   6529 T-MOBILE USA, INC. 722   2015-02-06   
408-670 A Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
408-671 A Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
408-672 A Salinas CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
408-673 A San Jose: West DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-673 0 San Jose: West DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-09   
408-673 1 San Jose: West DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-09   
408-673 2 San Jose: West DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-05-15   
408-673 3 San Jose: West DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-05-15   
408-673 4 San Jose: West DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2018-12-11   
408-673 5 San Jose: West DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-07-23   
408-673 6 San Jose: West DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-07-23   
408-673 7 San Jose: West DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-09   
408-673 8 San Jose: West DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-09   
408-673 9 San Jose: West DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-09   
408-674 A San Jose: West DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-675 A Sunnyvale CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-675 0 Sunnyvale CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-07-26   
408-675 1 Sunnyvale CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
408-675 2 Sunnyvale CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
408-675 3 Sunnyvale CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
408-675 4 Sunnyvale CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
408-675 5 Sunnyvale CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-07-10   
408-675 6 Sunnyvale CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
408-675 7 Sunnyvale CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
408-675 8 Sunnyvale CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
408-675 9 Sunnyvale CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
408-676 A San Martin CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
408-676 0 San Martin CA   649C ONVOY, LLC - CA 722      
408-676 1 San Martin CA   649C ONVOY, LLC - CA 722      
408-676 2 San Martin CA   649C ONVOY, LLC - CA 722      
408-676 3 San Martin CA   649C ONVOY, LLC - CA 722      
408-676 4 San Martin CA   649C ONVOY, LLC - CA 722      
408-676 5 San Martin CA   649C ONVOY, LLC - CA 722      
408-676 6 San Martin CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-01-08   
408-676 7 San Martin CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-01-08   
408-676 8 San Martin CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-01-08   
408-676 9 San Martin CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
408-677 A San Jose: South DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-677 0 San Jose: South DA CA   6529 T-MOBILE USA, INC. 722   2006-04-15   
408-677 1 San Jose: South DA CA   6529 T-MOBILE USA, INC. 722   2006-09-23   
408-677 2 San Jose: South DA CA   649C ONVOY, LLC - CA 722   2006-11-02   
408-677 3 San Jose: South DA CA   318J COMCAST IP PHONE, LLC 722   2007-07-25   
408-677 4 San Jose: South DA CA   318J COMCAST IP PHONE, LLC 722   2006-09-14   
408-677 5 San Jose: South DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-11-18   
408-677 6 San Jose: South DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-05-06   
408-677 7 San Jose: South DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-05-06   
408-677 8 San Jose: South DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-05-06   

<< 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: Execulink Telecom

Like this site? We accept donations via PayPal.