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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-203 2 Cambria CA 939H COMMIO, LLC 740      
805-505 A San Luis Obispo CA 939H COMMIO, LLC 740      
805-505 0 San Luis Obispo CA 939H COMMIO, LLC 740      
805-840 3 Arroyo Grande CA 939H COMMIO, LLC 740      
805-859 5 Atascadero CA 939H COMMIO, LLC 740      
805-859 6 Atascadero CA 939H COMMIO, LLC 740      
805-859 7 Atascadero CA 939H COMMIO, LLC 740      
805-859 8 Atascadero CA 939H COMMIO, LLC 740      
805-912 0 Bradley CA 939H COMMIO, LLC 740      
805-939 8 Nipomo CA 939H COMMIO, LLC 740      
805-939 9 Nipomo CA 939H COMMIO, LLC 740      
820-206 0 Paso Robles CA 939H COMMIO, LLC 740      
820-221 0 Santa Maria CA 939H COMMIO, LLC 740      
820-221 1 Santa Maria CA 939H COMMIO, LLC 740      
820-224 A Nipomo CA 939H COMMIO, LLC 740   2024-03-03   
820-500 6 Gaviota CA 939H COMMIO, LLC 740      
820-758 3 Santa Barbara CA 939H COMMIO, LLC 740      
820-758 4 Santa Barbara CA 939H COMMIO, LLC 740      
820-758 5 Santa Barbara CA 939H COMMIO, LLC 740      
820-800 5 Cayucos CA 939H COMMIO, LLC 740      
820-800 9 Cayucos CA 939H COMMIO, LLC 740      

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

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