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.
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Switch: SNFCCAMM8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-400 A San Francisco: Central DA CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
415-400 1 San Francisco: Central DA CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-244 2 Belvedere CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-253 9 San Rafael CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-254 9 Sausalito CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-256 9 San Francisco: Montrose-Evergreen DA CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-257 A Mill Valley CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-257 0 Mill Valley CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-206 1 Woodside CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-226 9 San Carlos-Belmont CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-410 9 South San Francisco CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-448 2 Mountain View CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-466 9 San Francisco: Juniper DA CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-476 0 Half Moon Bay CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-484 2 San Mateo CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-516 8 Pacifica CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-608 9 San Francisco: Juniper DA CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-689 9 Millbrae CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
650-779 1 Redwood City CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
707-329 9 Sebastopol CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
707-589 3 Bodega Bay CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
707-710 2 Santa Rosa CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
707-819 8 Napa CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      
707-872 2 Occidental CA 973E RACE TELECOMMUNICATIONS, INC. - CA 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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