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.

Hopland, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
707-510 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-510 0   981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-30   
707-510 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-11-10   
707-510 2   073H TELNYX LLC 722   2017-08-04   
707-510 3   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
707-510 4   649C ONVOY, LLC - CA 722   2018-12-24   
707-510 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-02-04   
707-510 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-02-15   
707-510 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-09-22   
707-510 8   515J IP HORIZON LLC 722   2016-09-15   
707-510 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-06-25   
707-670 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-670 0   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-04-17   
707-670 1   649C ONVOY, LLC - CA 722   2013-01-06   
707-670 2   649C ONVOY, LLC - CA 722   2007-04-09   
707-670 3   981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-02-25   
707-670 4   649C ONVOY, LLC - CA 722   2012-12-30   
707-670 5   649C ONVOY, LLC - CA 722   2007-03-04   
707-670 6   516C AT&T CORP. 722   2011-05-16   
707-670 7   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
707-670 8   9262 UTILITY TELECOM GROUP, LLC - CA 722   2013-01-18   
707-670 9   515J IP HORIZON LLC 722   2006-10-12   
707-744 A HPLDCA12RS0  9740 PACIFIC BELL 722      
707-744 0   508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-744 1   9740 PACIFIC BELL 722      
707-744 2   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2013-12-14   
707-744 3   649C ONVOY, LLC - CA 722   2003-09-03   
707-744 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-03-21   
707-744 5   939H COMMIO, LLC 722   2022-10-16   
707-744 6   649C ONVOY, LLC - CA 722   2009-12-18   
707-744 7   9740 PACIFIC BELL 722      
707-744 8   9740 PACIFIC BELL 722      
707-744 9   649C ONVOY, LLC - CA 722   2013-03-29   
707-830 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
707-830 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-08-26   
707-830 1   515J IP HORIZON LLC 722   2021-05-03   
707-830 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2020-08-24   
707-830 3   649C ONVOY, LLC - CA 722   2021-07-28   
707-830 5   981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-02-17   
707-830 6   624H ONVOY SPECTRUM, LLC 722   2025-01-30   
707-830 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-10-12   
707-830 9   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2024-05-10   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.