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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-213 A San Jose: West DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
408-416 A San Jose: North DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
408-484 A Saratoga CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
408-582 A San Jose: North DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
408-583 A Campbell CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
408-597 A San Jose: North DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
408-636 A Sunnyvale CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
408-694 A San Jose: South DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
408-789 A Sunnyvale CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
415-306 A San Rafael CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
415-592 A San Francisco: Montrose-Evergreen DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
415-593 A San Francisco: Central DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
415-594 A San Francisco: Juniper DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
415-737 A Corte Madera CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
415-842 A Ignacio CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
415-843 A Mill Valley CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-225 A Oakland: Berkeley DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-283 A El Sobrante-Pinole CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-473 A Oakland: Alameda DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-478 A Richmond CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-824 A Fremont-Newark: Oliver DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-842 A Oakland: Fruitvale DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-844 A Oakland: Main-Piedmont DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-856 A Hayward CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-857 A Fremont-Newark: Main DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
510-957 A Oakland: Trinidad DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-319 A Palo Alto CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-362 A Redwood City CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-403 A San Mateo CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-412 A San Carlos-Belmont CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-433 A Palo Alto CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-449 A San Francisco: Juniper DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-469 A Los Altos CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-605 A Mountain View CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 A South San Francisco CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-648 A Millbrae CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-713 A Half Moon Bay CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-719 A Moss Beach CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-733 A Pacifica CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-749 A La Honda CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-850 A Woodside CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-882 A Pescadero CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
831-316 A Santa Cruz CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
831-319 A Watsonville CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
925-374 A Martinez CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
925-401 A Pleasanton CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
925-402 A Orinda CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
925-403 A Lafayette CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
925-404 A Dublin-San Ramon CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      
925-405 A Concord CA 8782 ALLEGIANCE TELECOM, INC. - CA 722      

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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