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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-540 A Campbell CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-540 0 Campbell CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-540 1 Campbell CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-540 2 Campbell CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2005-12-15   
408-540 3 Campbell CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2005-12-15   
408-540 4 Campbell CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-06-18   
408-540 5 Campbell CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
408-540 6 Campbell CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-08   
408-540 7 Campbell CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-07-18   
408-540 8 Campbell CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-06-18   
408-540 9 Campbell CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-10-07   
408-541 A Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-541 0 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-541 1 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-541 2 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-541 3 Sunnyvale CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2005-09-10   
408-541 4 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-541 5 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-541 6 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-541 7 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-541 8 Sunnyvale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-10-14   
408-541 9 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 A Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 0 Sunnyvale CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2010-12-05   
408-542 1 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 2 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 3 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 4 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 5 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 6 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 7 Sunnyvale CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-09-15   
408-542 8 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-542 9 Sunnyvale CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-12-04   
408-543 A Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 0 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 1 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 2 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 3 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 4 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 5 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 6 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 7 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 8 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-543 9 Sunnyvale CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2009-08-31   
408-544 A San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-544 0 San Jose: North DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2004-11-14   
408-544 1 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-544 2 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-544 3 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-544 4 San Jose: North DA CA SNJSCA21DS2  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 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.