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.

OCN: 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
669-288 7 San Jose: West DA CA   722   2019-05-25   
669-309 6 San Jose: South DA CA   722   2019-03-23   
669-313 A Campbell CA   722   2018-04-09   
669-313 2 Campbell CA   722   2018-04-09   
669-313 3 Campbell CA   722   2018-04-09   
669-313 4 Campbell CA   722   2018-04-09   
669-313 5 Campbell CA   722   2018-04-09   
669-313 6 Campbell CA   722   2018-04-09   
669-313 7 Campbell CA   722   2018-04-09   
669-313 8 Campbell CA   722   2018-04-09   
669-313 9 Campbell CA   722   2018-04-09   
669-666 8 San Jose: West DA CA   722   2012-12-12   
669-770 6 San Jose: North DA CA   722   2016-04-15   
669-777 0 Sunnyvale CA   722   2012-11-21   
669-800 2 San Jose: West DA CA   722   2013-02-18   
669-800 6 San Jose: West DA CA   722   2013-03-21   
707-200 A St Helena CA OKLDCA03DS6  722      
707-200 0 St Helena CA   722      
707-200 9 St Helena CA   722      
707-218 2 Crescent City CA   722   2018-08-02   
707-260 A Napa CA SNFCCAFJDS0  722      
707-260 0 Napa CA   722      
707-267 A Eureka CA SNFCCAFJDS0  722      
707-267 9 Eureka CA   722      
707-281 5 Kelseyville CA   722   2018-09-24   
707-293 2 Santa Rosa CA   722   2006-11-01   
707-305 4 Vacaville CA   722   2017-02-03   
707-309 5 Sonoma CA   722   2019-07-21   
707-359 3 Vacaville CA   722   2004-08-02   
707-366 3 Fairfield-Suisun CA   722   2015-12-14   
707-382 4 Eureka CA   722   2015-10-23   
707-388 6 Arcata CA   722   2012-07-02   
707-395 A Healdsburg CA OKLDCAUNDS0  722      
707-395 2 Healdsburg CA   722      
707-397 3 Mendocino CA   722   2008-05-01   
707-403 A Calistoga CA SNRSCA01KMD  722   2007-08-27   
707-403 7 Calistoga CA   722   2007-08-27   
707-415 A Yountville CA SNRSCA01KMD  722   2010-04-02   
707-415 6 Yountville CA   722   2010-04-02   
707-461 8 Lower Lake CA   722   2013-05-16   
707-472 5 Ukiah CA   722   2010-12-23   
707-487 1 Smith River CA   722   2013-04-19   
707-508 3 Santa Rosa CA   722   2009-07-03   
707-540 A Santa Rosa CA OKLDCA03DS6  722      
707-540 9 Santa Rosa CA   722      
707-604 A Guerneville CA OKLDCAUNDS0  722      
707-604 0 Guerneville CA   722      
707-620 A Windsor CA OKLDCAUNDS0  722      
707-620 2 Windsor CA   722      
707-621 6 Ukiah CA   722   2014-02-17   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.