Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
707-708 A Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722      
707-708 0 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2017-03-02   
707-708 7 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2015-10-17   
707-708 8 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2015-10-17   
707-723 7 Healdsburg CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-728 9 Guerneville CA 433E SONIC TELECOM, LLC - CA 722   2015-12-12   
707-734 9 Fort Bragg CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-742 1 Benicia CA 433E SONIC TELECOM, LLC - CA 722   2015-12-24   
707-755 A Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722      
707-755 5 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2012-11-23   
707-757 A Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722      
707-757 5 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2016-05-09   
707-757 7 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2017-04-13   
707-757 9 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2016-05-10   
707-780 5 Petaluma: Main DA CA 433E SONIC TELECOM, LLC - CA 722   2021-03-10   
707-789 6 Petaluma: Main DA CA 433E SONIC TELECOM, LLC - CA 722   2016-03-28   
707-789 7 Petaluma: Main DA CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-791 1 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2014-06-09   
707-820 8 Forestville CA 433E SONIC TELECOM, LLC - CA 722   2007-04-09   
707-827 8 Sebastopol CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-852 0 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2020-11-13   
707-859 0 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2021-01-10   
707-873 8 Occidental CA 433E SONIC TELECOM, LLC - CA 722   2015-12-12   
707-887 4 Forestville CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-890 8 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2015-03-03   
707-891 8 Cloverdale CA 433E SONIC TELECOM, LLC - CA 722   2015-12-12   
707-909 A Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722      
707-909 7 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2022-02-06   
707-910 A Sebastopol CA 433E SONIC TELECOM, LLC - CA 722      
707-910 0 Sebastopol CA 433E SONIC TELECOM, LLC - CA 722   2021-10-08   
707-919 0 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2018-09-10   
707-934 1 Sonoma CA 433E SONIC TELECOM, LLC - CA 722   2012-12-16   
707-971 8 Petaluma: Main DA CA 433E SONIC TELECOM, LLC - CA 722   2018-01-05   
707-981 5 Petaluma: Main DA CA 433E SONIC TELECOM, LLC - CA 722   2019-06-08   
707-981 9 Petaluma: Main DA CA 433E SONIC TELECOM, LLC - CA 722   2020-07-02   
707-992 6 Petaluma: Swift DA CA 433E SONIC TELECOM, LLC - CA 722   2020-08-17   
831-535 7 Santa Cruz CA 433E SONIC TELECOM, LLC - CA 722   2012-12-16   
831-536 3 Watsonville CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
831-687 7 Aptos CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
925-306 A East Contra Costa CA 433E SONIC TELECOM, LLC - CA 722      
925-306 0 East Contra Costa CA 433E SONIC TELECOM, LLC - CA 722   2017-03-06   
925-306 6 East Contra Costa CA 433E SONIC TELECOM, LLC - CA 722   2019-06-08   
925-317 9 Orinda CA 433E SONIC TELECOM, LLC - CA 722   2015-12-12   
925-384 4 Antioch CA 433E SONIC TELECOM, LLC - CA 722   2015-04-09   
925-385 3 Lafayette CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
925-390 6 East Contra Costa CA 433E SONIC TELECOM, LLC - CA 722   2016-09-23   
925-446 8 Concord CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
925-464 5 Walnut Creek CA 433E SONIC TELECOM, LLC - CA 722   2012-12-27   
925-578 0 East Contra Costa CA 433E SONIC TELECOM, LLC - CA 722   2021-07-11   
925-594 4 Danville CA 433E SONIC TELECOM, LLC - CA 722   2015-12-12   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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