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: 7453 U.S. TELEPACIFIC CORP. - CA

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
707-603 0 Napa CA SNRFCA15DS0  722      
707-603 1 Napa CA SNRFCA15DS0  722      
707-603 2 Napa CA SNRFCA15DS0  722      
707-603 3 Napa CA SNRFCA15DS0  722      
707-603 4 Napa CA SNRFCA15DS0  722      
707-603 6 Napa CA SNRFCA15DS0  722      
707-603 7 Napa CA SNRFCA15DS0  722      
707-603 8 Napa CA SNJSCAYBDS1  722      
707-617 5 Fortuna CA SNJSCAYBGT0  722   2018-03-03   
707-625 2 Forestville CA SNJSCAYBGT0  722   2017-03-10   
707-635 7 Dixon CA SCRMCA01XXX  726   2005-12-05   
707-638 4 Vallejo CA SNJSCAYBGT0  722      
707-652 7 Vallejo CA SNRFCA15DS0  722   2007-03-29   
707-684 8 Boonville CA SNRFCA15DS0  722   2010-12-13   
707-687 1 Windsor CA SNRFCA15DS0  722   2005-12-05   
707-709 A Calistoga CA SNRFCA15DS0  722      
707-709 2 Calistoga CA SNRFCA15DS0  722      
707-721 8 Sonoma CA SNJSCAYBDS0  722   2007-09-10   
707-724 5 Vacaville CA SNJSCAYBGT0  722   2014-07-03   
707-728 3 Guerneville CA SNJSCAYBDS0  722   2013-08-03   
707-732 2 Sonoma CA SNRFCA15DS0  722   2013-01-17   
707-743 6 Potter Valley CA SNJSCAYBGT0  722   2016-11-11   
707-744 2 Hopland CA SNJSCAYBDS0  722   2013-12-14   
707-749 1 Benicia CA SNJSCAYBGT0  722      
707-752 6 Benicia CA SNRFCA15DS0  722   2002-09-09   
707-752 8 Benicia CA SNRFCA15DS0  722      
707-754 4 Yountville CA SNRFCA15DS0  722   2002-04-01   
707-755 2 Santa Rosa CA SNJSCAYBDS0  722   2013-10-14   
707-774 7 Petaluma: Main DA CA SNRFCA15DS0  722   2007-03-29   
707-774 8 Petaluma: Main DA CA SNJSCAYBDS0  722   2007-03-29   
707-790 8 Petaluma: Main DA CA SNRFCA15DS0  722      
707-796 7 Petaluma: Swift DA CA SNRFCA15DS0  722   2002-08-21   
707-814 6 Geyserville CA SNJSCAYBGT0  722   2016-02-03   
707-827 4 Sebastopol CA SNRFCA15DS0  722   2002-09-24   
707-835 2 Petaluma: Main DA CA SNJSCAYBGT0  722   2017-05-28   
707-861 7 Sebastopol CA SNJSCAYBDS1  722   2007-12-29   
707-874 7 Occidental CA SNJSCAYBGT0  722   2017-03-10   
707-882 6 Point Arena CA SNJSCAYBDS0  722   2011-04-22   
707-883 4 Upper Lake CA SNJSCAYBDS0  722   2013-08-03   
707-890 4 Santa Rosa CA SNJSCAYBGT0  722   2015-03-22   
707-921 3 Santa Rosa CA SNRFCA15DS0  722      
707-931 7 Sonoma CA SNRFCA15DS0  722   2002-08-21   
707-937 8 Mendocino CA SNJSCAYBGT0  722   2014-07-27   
707-955 8 Healdsburg CA SNJSCAYBGT0  722   2016-10-10   
707-961 8 Fort Bragg CA SNJSCAYBGT0  722   2016-11-24   
707-992 3 Petaluma: Swift DA CA SNJSCAYBDS0  722   2007-12-29   
714-221 A Orange CA IRVNCASMDS0  730      
714-230 3 Westminster CA IRVNCASMDS0  730   2000-10-30   
714-244 4 Orange CA IRVNCASMDS0  730   2008-11-17   
714-263 1 Santa Ana CA IRVNCASMDS0  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 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.