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
805-249 A Guadalupe CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-326 A Paso Robles CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-333 A Paso Robles CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-361 A Santa Maria CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-470 A Atascadero CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-576 A Carpinteria CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-591 A Paso Robles CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-597 A San Luis Obispo CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-617 A Santa Barbara CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-690 A Santa Barbara CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-694 A Santa Ynez CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-723 A Nipomo CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-776 A Morro Bay CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-779 A Pismo Beach CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-875 A Lompoc CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-879 A Santa Barbara CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-935 A Cambria CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-994 A Arroyo Grande CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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