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: SNLOCA01X4Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-215 A San Luis Obispo CA 073H TELNYX LLC 740      
805-215 1 San Luis Obispo CA 073H TELNYX LLC 740   2017-03-27   
805-249 7 Guadalupe CA 073H TELNYX LLC 740   2020-10-19   
805-291 8 Lompoc CA 073H TELNYX LLC 740   2021-02-26   
805-329 7 San Luis Obispo CA 073H TELNYX LLC 740   2021-03-04   
805-576 0 Carpinteria CA 073H TELNYX LLC 740   2020-06-12   
805-936 2 Pismo Beach CA 073H TELNYX LLC 740   2021-02-26   
805-944 3 Lompoc CA 073H TELNYX LLC 740   2021-09-03   
820-223 1 Santa Barbara CA 073H TELNYX LLC 740   2024-01-22   
820-300 9 Guadalupe CA 073H TELNYX LLC 740   2021-03-30   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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