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: RSVLCANL0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-341 A Davis CA 8782 ALLEGIANCE TELECOM, INC. - CA 726      
530-419 A Woodland CA 8782 ALLEGIANCE TELECOM, INC. - CA 726      
916-200 A Fair Oaks (Sacramento) CA 8782 ALLEGIANCE TELECOM, INC. - CA 726      
916-266 A Sacramento: Main DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 726      
916-293 A Folsom CA 8782 ALLEGIANCE TELECOM, INC. - CA 726   2004-08-23   
916-473 A Sacramento: North DA CA 8782 ALLEGIANCE TELECOM, INC. - CA 726      

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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