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
805-202 3 Arroyo Grande CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-226 5 Paso Robles CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-04-26   
805-234 9 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2017-07-02   
805-249 2 Guadalupe CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-11-05   
805-310 5 Santa Maria CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-11-05   
805-343 8 Guadalupe CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-369 6 Paso Robles CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-438 6 Santa Margarita CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-461 2 Atascadero CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-463 3 Parkfield CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-464 4 Atascadero CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-05-04   
805-467 4 San Miguel CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-472 5 Bradley CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-475 6 Carrisa Plains CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-548 A San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740      
805-548 0 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2002-10-13   
805-548 1 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2011-10-01   
805-548 2 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-04-25   
805-548 8 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-05-13   
805-556 9 Pismo Beach CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-574 1 Arroyo Grande CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-05-04   
805-592 A San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740      
805-592 0 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2020-10-25   
805-592 1 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2018-09-24   
805-592 2 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-07   
805-592 3 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2018-09-24   
805-592 9 San Luis Obispo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2020-10-25   
805-614 7 Santa Maria CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2006-01-08   
805-623 1 Santa Maria CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-693 3 Santa Ynez CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2011-10-06   
805-693 6 Santa Ynez CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-695 5 Santa Barbara CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2005-12-23   
805-733 8 Lompoc CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-757 5 Lompoc CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-11-05   
805-771 5 Morro Bay CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-06-04   
805-771 7 Morro Bay CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-779 7 Pismo Beach CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-07-20   
805-883 5 Santa Barbara CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-929 9 Nipomo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   
805-930 3 Nipomo CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2003-07-20   
805-995 8 Cayucos CA 9807 NORCAST COMMUNICATIONS CORPORATION - CA 740   2013-01-20   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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