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
408-427 5 Gilroy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-01-06   
408-427 6 Gilroy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-01-06   
408-427 7 Gilroy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-08-28   
408-427 8 Gilroy CA   649C ONVOY, LLC - CA 722   2005-03-14   
408-427 9 Gilroy CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-04-09   
408-428 A San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-428 0 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-428 1 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-428 2 San Jose: North DA CA   5562 METROPCS, INC. 722   2008-06-11   
408-428 3 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-428 4 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-428 5 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-428 6 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-428 7 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-428 8 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-428 9 San Jose: North DA CA   9740 PACIFIC BELL 722      
408-429 A Campbell CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-429 0 Campbell CA   6529 T-MOBILE USA, INC. 722      
408-429 1 Campbell CA   515J IP HORIZON LLC 722   2003-10-12   
408-429 2 Campbell CA   515J IP HORIZON LLC 722   2003-10-12   
408-429 3 Campbell CA   6529 T-MOBILE USA, INC. 722   2004-09-16   
408-429 4 Campbell CA   6529 T-MOBILE USA, INC. 722   2005-03-03   
408-429 5 Campbell CA   6529 T-MOBILE USA, INC. 722   2008-02-04   
408-429 6 Campbell CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-12-27   
408-429 7 Campbell CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-12-27   
408-429 8 Campbell CA   318J COMCAST IP PHONE, LLC 722   2007-09-01   
408-429 9 Campbell CA   6529 T-MOBILE USA, INC. 722      
408-430 A Gilroy CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-430 0 Gilroy CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-28   
408-430 1 Gilroy CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-28   
408-430 2 Gilroy CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-28   
408-430 3 Gilroy CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-30   
408-430 4 Gilroy CA   5562 METROPCS, INC. 722   2010-11-30   
408-430 5 Gilroy CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-30   
408-430 6 Gilroy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-12-02   
408-430 7 Gilroy CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-04-17   
408-430 8 Gilroy CA   5562 METROPCS, INC. 722   2011-04-28   
408-430 9 Gilroy CA   5562 METROPCS, INC. 722   2010-11-30   
408-431 A Sunnyvale CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
408-432 A San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-433 A San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-434 A San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-435 A San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-436 A San Jose: West DA CA SNJSCA21DS1  9740 PACIFIC BELL 722      
408-437 A San Jose: West DA CA SNJSCA21DS1  9740 PACIFIC BELL 722      
408-438 A Los Gatos CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-438 0 Los Gatos CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-438 1 Los Gatos CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-438 2 Los Gatos CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-03-06   
408-438 3 Los Gatos CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-01-20   

<< 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: VoIP Much Phone Company

Like this site? We accept donations via PayPal.