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: SNVACAHZ0MD

<< 1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-526 4 Mountain View CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-25   
650-535 7 Moss Beach CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
650-552 6 Millbrae CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
650-557 5 Pacifica CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
650-666 1 Palo Alto CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-07-31   
650-683 7 Woodside CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
650-784 4 South San Francisco CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-10-04   
650-825 8 South San Francisco CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-24   
650-865 7 San Mateo CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2017-09-24   
650-935 3 Los Altos CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
669-224 7 Sunnyvale CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-13   
669-228 7 San Martin CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
669-233 7 Los Gatos CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-04-25   
669-248 4 Sunnyvale CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-04-14   
669-253 7 Morgan Hill CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
669-284 7 San Jose: North DA CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2016-11-13   
669-287 7 San Jose: West DA CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2017-07-02   
669-721 8 Sunnyvale CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-25   
669-777 2 Sunnyvale CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-06-30   
707-229 7 Timber Cove: Sea Ranch DA CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2016-06-09   
707-298 6 Eureka CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
707-306 5 Annapolis CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-05-27   
707-312 7 Yountville CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-313 8 Ukiah CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
707-329 7 Sebastopol CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-04-09   
707-336 7 Petrolia CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-03-19   
707-346 8 Napa CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-25   
707-354 7 Willits CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-25   
707-355 7 Middletown CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-368 7 Leggett CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-377 6 Bodega Bay CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-05-27   
707-379 6 Valley Ford CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-381 7 Geyserville CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-388 5 Arcata CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-05-20   
707-389 7 Fairfield-Suisun CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-25   
707-390 3 Pepperwood CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-408 9 Kenwood CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-414 7 Laytonville CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-458 2 Crescent City CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-03-19   
707-461 3 Lower Lake CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
707-473 7 Healdsburg CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
707-504 7 Occidental CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-512 6 St Helena CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-04-09   
707-530 7 Lakeport CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-560 0 Clearlake Oaks CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-05-27   
707-574 2 Mad River CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-587 5 Kelseyville CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-593 3 Mendocino CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-602 9 Miranda CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-605 3 Potter Valley CA 508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   

<< 1 2 3 4 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.