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: SNRSCARNCM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-691 A Hercules-Rodeo CA 6664 SPRINT SPECTRUM L.P. 722      
707-208 A Fairfield-Suisun CA 6664 SPRINT SPECTRUM L.P. 722      
707-235 A Santa Rosa CA 6664 SPRINT SPECTRUM L.P. 722      
707-280 A Santa Rosa CA 6664 SPRINT SPECTRUM L.P. 722      
707-304 A Santa Rosa CA 6664 SPRINT SPECTRUM L.P. 722   2007-03-03   
707-332 A Santa Rosa CA 6664 SPRINT SPECTRUM L.P. 722      
707-616 A Eureka CA 6664 SPRINT SPECTRUM L.P. 722      
707-628 A Vacaville CA 6664 SPRINT SPECTRUM L.P. 722      
707-694 A Santa Rosa CA 6664 SPRINT SPECTRUM L.P. 722      
707-704 A Vallejo CA 6664 SPRINT SPECTRUM L.P. 722      
707-758 A Santa Rosa CA 6664 SPRINT SPECTRUM L.P. 722      
707-816 A Fairfield-Suisun CA 6664 SPRINT SPECTRUM L.P. 722      
925-207 A Concord CA 6664 SPRINT SPECTRUM L.P. 722      
925-446 A Concord CA 6664 SPRINT SPECTRUM L.P. 722   2012-08-23   
925-457 A Walnut Creek CA 6664 SPRINT SPECTRUM L.P. 722      
925-528 A Orinda CA 6664 SPRINT SPECTRUM L.P. 722      
925-864 A Concord CA 6664 SPRINT SPECTRUM L.P. 722      
925-878 A Lafayette CA 6664 SPRINT SPECTRUM L.P. 722      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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