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: OKLDCA61CM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-205 A Oakland: Alameda DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-209 A Hayward CA 6664 SPRINT SPECTRUM L.P. 722      
510-221 A Richmond CA 6664 SPRINT SPECTRUM L.P. 722   2007-03-25   
510-290 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-294 A Hayward CA 6664 SPRINT SPECTRUM L.P. 722   2012-01-05   
510-306 A Oakland: Alameda DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-314 A Hayward CA 6664 SPRINT SPECTRUM L.P. 722   2007-08-17   
510-393 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-435 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-447 A Richmond CA 6664 SPRINT SPECTRUM L.P. 722   2012-02-09   
510-459 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-469 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-484 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-543 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-551 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-593 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-681 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-682 A Oakland: Alameda DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-684 A Oakland: Berkeley DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-754 A Hayward CA 6664 SPRINT SPECTRUM L.P. 722      
510-757 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-798 A Oakland: Trinidad DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-823 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-825 A Hayward CA 6664 SPRINT SPECTRUM L.P. 722      
510-858 A Oakland: Main-Piedmont DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-866 A Oakland: Fruitvale DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-872 A Oakland: Alameda DA CA 6664 SPRINT SPECTRUM L.P. 722      
510-932 A Richmond CA 6664 SPRINT SPECTRUM L.P. 722      
510-967 A Oakland: Fruitvale DA CA 6664 SPRINT SPECTRUM L.P. 722      
925-202 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-209 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-351 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-352 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-366 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-367 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-368 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-518 A Livermore CA 6664 SPRINT SPECTRUM L.P. 722      
925-535 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-623 A Pleasanton CA 6664 SPRINT SPECTRUM L.P. 722      
925-895 A Dublin-San Ramon CA 6664 SPRINT SPECTRUM L.P. 722      
925-984 A Danville CA 6664 SPRINT SPECTRUM L.P. 722      

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

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