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: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-723 A Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
707-723 0 Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-723 1 Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-723 2 Healdsburg CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2004-06-04   
707-723 3 Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-12-09   
707-723 4 Healdsburg CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-04-10   
707-723 5 Healdsburg CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-11   
707-723 6 Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-30   
707-723 7 Healdsburg CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-723 8 Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-30   
707-723 9 Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-30   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.