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.

OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
707-721 A Sonoma CA SNJSCAYB0MD  722      
707-721 0 Sonoma CA SNJSCAYB0MD  722      
707-721 8 Sonoma CA SNJSCAYB0MD  722   2007-09-10   
707-724 5 Vacaville CA SNJSCAYB0MD  722   2014-07-03   
707-728 3 Guerneville CA SNJSCAYB0MD  722   2013-08-03   
707-732 2 Sonoma CA SNJSCAYB0MD  722   2013-01-17   
707-743 6 Potter Valley CA SNJSCAYB0MD  722   2016-11-11   
707-744 2 Hopland CA SNJSCAYB0MD  722   2013-12-14   
707-752 A Benicia CA SNJSCAYB0MD  722      
707-752 6 Benicia CA SNJSCAYB0MD  722   2002-09-09   
707-752 8 Benicia CA SNJSCAYB0MD  722      
707-754 4 Yountville CA SNJSCAYB0MD  722   2002-04-01   
707-755 2 Santa Rosa CA SNJSCAYB0MD  722   2013-10-14   
707-774 7 Petaluma: Main DA CA SNJSCAYB0MD  722   2007-03-29   
707-774 8 Petaluma: Main DA CA SNJSCAYB0MD  722   2007-03-29   
707-790 A Petaluma: Main DA CA SNJSCAYB0MD  722      
707-790 0 Petaluma: Main DA CA SNJSCAYB0MD  722      
707-790 8 Petaluma: Main DA CA SNJSCAYB0MD  722      
707-796 7 Petaluma: Swift DA CA SNJSCAYB0MD  722   2002-08-21   
707-814 6 Geyserville CA SNJSCAYB0MD  722   2016-02-03   
707-827 4 Sebastopol CA SNJSCAYB0MD  722   2002-09-24   
707-835 2 Petaluma: Main DA CA SNJSCAYB0MD  722   2017-05-28   
707-861 7 Sebastopol CA SNJSCAYB0MD  722   2007-12-29   
707-874 7 Occidental CA SNJSCAYB0MD  722   2017-03-10   
707-882 6 Point Arena CA SNJSCAYB0MD  722   2011-04-22   
707-883 4 Upper Lake CA SNJSCAYB0MD  722   2013-08-03   
707-890 4 Santa Rosa CA SNJSCAYB0MD  722   2015-03-22   
707-921 A Santa Rosa CA SNJSCAYB0MD  722      
707-921 0 Santa Rosa CA SNJSCAYB0MD  722      
707-921 2 Santa Rosa CA SNJSCAYB0MD  722      
707-921 3 Santa Rosa CA SNJSCAYB0MD  722      
707-921 4 Santa Rosa CA SNJSCAYB0MD  722      
707-931 7 Sonoma CA SNJSCAYB0MD  722   2002-08-21   
707-937 8 Mendocino CA SNJSCAYB0MD  722   2014-07-27   
707-955 8 Healdsburg CA SNJSCAYB0MD  722   2016-10-10   
707-961 8 Fort Bragg CA SNJSCAYB0MD  722   2016-11-24   
707-992 3 Petaluma: Swift DA CA SNJSCAYB0MD  722   2007-12-29   
713-352 5 Apollo TX HSTNTXPB6MD  560   2014-03-31   
713-487 A Houston TX HSTNTXPB6MD  560      
713-487 0 Houston TX HSTNTXPB6MD  560   2009-12-24   
713-487 1 Houston TX HSTNTXPB6MD  560   2009-12-24   
713-487 2 Houston TX HSTNTXPB6MD  560   2009-12-24   
713-487 3 Houston TX HSTNTXPB6MD  560   2009-12-24   
713-487 4 Houston TX HSTNTXPB6MD  560   2009-12-24   
713-590 A Houston TX HSTNTXPB6MD  560      
713-595 A Houston TX HSTNTXPB6MD  560      
714-203 A Placentia CA IRVNCASM1MD  730      
714-203 0 Placentia CA IRVNCASM1MD  730      
714-210 A Santa Ana CA IRVNCASM1MD  730      
714-210 0 Santa Ana CA IRVNCASM1MD  730      

<< 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 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.