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.

Switch: SNRTCAHFDS0

<< 1 2 3 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
628-280 4 San Francisco: Montrose-Evergreen DA CA 433E SONIC TELECOM, LLC - CA 722   2020-06-11   
628-283 0 San Francisco: Montrose-Evergreen DA CA 433E SONIC TELECOM, LLC - CA 722   2022-04-13   
628-294 2 Novato CA 433E SONIC TELECOM, LLC - CA 722   2024-01-31   
628-363 8 San Francisco: Juniper DA CA 433E SONIC TELECOM, LLC - CA 722   2020-06-26   
628-432 0 San Francisco: Montrose-Evergreen DA CA 433E SONIC TELECOM, LLC - CA 722   2020-11-16   
628-588 0 San Francisco: Central DA CA 433E SONIC TELECOM, LLC - CA 722   2021-10-11   
628-628 3 San Francisco: Central DA CA 433E SONIC TELECOM, LLC - CA 722   2019-08-18   
628-688 0 San Francisco: Central DA CA 433E SONIC TELECOM, LLC - CA 722   2020-12-19   
628-732 2 San Francisco: Juniper DA CA 433E SONIC TELECOM, LLC - CA 722   2021-02-01   
628-867 3 San Francisco: Central DA CA 433E SONIC TELECOM, LLC - CA 722   2017-07-01   
628-867 4 San Francisco: Central DA CA 433E SONIC TELECOM, LLC - CA 722   2017-07-01   
628-867 6 San Francisco: Central DA CA 433E SONIC TELECOM, LLC - CA 722   2017-07-01   
628-899 6 San Francisco: Montrose-Evergreen DA CA 433E SONIC TELECOM, LLC - CA 722   2016-04-22   
628-899 8 San Francisco: Montrose-Evergreen DA CA 433E SONIC TELECOM, LLC - CA 722   2016-04-22   
628-977 4 San Francisco: Montrose-Evergreen DA CA 433E SONIC TELECOM, LLC - CA 722   2020-09-11   
650-300 6 Palo Alto CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-394 0 San Carlos-Belmont CA 433E SONIC TELECOM, LLC - CA 722   2021-04-02   
650-514 9 San Mateo CA 433E SONIC TELECOM, LLC - CA 722   2020-10-26   
650-530 5 Woodside CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-535 5 Moss Beach CA 433E SONIC TELECOM, LLC - CA 722   2015-12-12   
650-564 5 Mountain View CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-581 0 San Mateo CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-597 5 San Carlos-Belmont CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-608 6 San Francisco: Juniper DA CA 433E SONIC TELECOM, LLC - CA 722   2022-09-08   
650-674 6 San Carlos-Belmont CA 433E SONIC TELECOM, LLC - CA 722   2024-03-14   
650-679 6 Redwood City CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-684 6 Millbrae CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-699 0 San Mateo CA 433E SONIC TELECOM, LLC - CA 722   2021-05-31   
650-706 0 San Mateo CA 433E SONIC TELECOM, LLC - CA 722   2023-07-19   
650-760 5 South San Francisco CA 433E SONIC TELECOM, LLC - CA 722   2024-03-08   
650-869 9 South San Francisco CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-887 8 Los Altos CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-889 3 Half Moon Bay CA 433E SONIC TELECOM, LLC - CA 722   2012-12-06   
669-200 7 San Jose: South DA CA 433E SONIC TELECOM, LLC - CA 722   2013-01-18   
669-222 5 Campbell CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
669-223 7 San Jose: West DA CA 433E SONIC TELECOM, LLC - CA 722   2012-12-30   
669-888 2 Morgan Hill CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-244 2 St Helena CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-284 7 Santa Rosa CA 433E SONIC TELECOM, LLC - CA 722   2019-06-08   
707-346 3 Napa CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-397 1 Mendocino CA 433E SONIC TELECOM, LLC - CA 722   2007-06-14   
707-397 4 Mendocino CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-439 2 Fairfield-Suisun CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-531 5 Yountville CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-562 5 Vallejo CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-665 6 Petaluma: Swift DA CA 433E SONIC TELECOM, LLC - CA 722   2012-12-22   
707-669 2 Cloverdale CA 433E SONIC TELECOM, LLC - CA 722   2007-04-09   
707-671 9 Ukiah CA 433E SONIC TELECOM, LLC - CA 722   2013-06-01   
707-687 0 Windsor CA 433E SONIC TELECOM, LLC - CA 722   2012-12-16   
707-699 3 Napa CA 433E SONIC TELECOM, LLC - CA 722   2018-11-24   
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   

<< 1 2 3 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.