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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Switch: SNLOCA01XFX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-977 0 San Miguel CA 649C ONVOY, LLC - CA 740   2021-07-28   
805-977 5 San Miguel CA 649C ONVOY, LLC - CA 740   2020-05-04   
805-977 6 San Miguel CA 649C ONVOY, LLC - CA 740   2020-05-04   
805-977 8 San Miguel CA 649C ONVOY, LLC - CA 740   2021-03-05   
805-977 9 San Miguel CA 649C ONVOY, LLC - CA 740   2021-03-05   
805-979 2 Santa Barbara CA 649C ONVOY, LLC - CA 740   2016-01-04   
805-979 7 Santa Barbara CA 649C ONVOY, LLC - CA 740   2016-01-04   
805-998 2 Santa Maria CA 649C ONVOY, LLC - CA 740   2022-12-13   
805-998 3 Santa Maria CA 649C ONVOY, LLC - CA 740   2022-12-13   
805-998 4 Santa Maria CA 649C ONVOY, LLC - CA 740   2023-03-02   
805-998 5 Santa Maria CA 649C ONVOY, LLC - CA 740   2023-03-02   
805-998 6 Santa Maria CA 649C ONVOY, LLC - CA 740   2023-03-02   
805-998 7 Santa Maria CA 649C ONVOY, LLC - CA 740   2023-03-02   
820-206 3 Paso Robles CA 649C ONVOY, LLC - CA 740   2023-07-22   
820-206 4 Paso Robles CA 649C ONVOY, LLC - CA 740   2023-07-22   
820-206 6 Paso Robles CA 649C ONVOY, LLC - CA 740   2023-07-22   
820-208 0 Atascadero CA 649C ONVOY, LLC - CA 740   2023-11-30   
820-208 1 Atascadero CA 649C ONVOY, LLC - CA 740   2023-11-30   
820-208 3 Atascadero CA 649C ONVOY, LLC - CA 740   2024-03-09   
820-217 3 Atascadero CA 649C ONVOY, LLC - CA 740   2023-11-03   
820-224 8 Nipomo CA 649C ONVOY, LLC - CA 740   2024-07-27   
820-230 8 Paso Robles CA 649C ONVOY, LLC - CA 740   2026-06-25   
820-233 9 San Luis Obispo CA 649C ONVOY, LLC - CA 740   2025-04-06   
820-246 0 Atascadero CA 649C ONVOY, LLC - CA 740   2026-06-22   
820-280 1 Los Alamos CA 649C ONVOY, LLC - CA 740   2021-07-28   
820-280 2 Los Alamos CA 649C ONVOY, LLC - CA 740   2021-08-13   
820-300 A Guadalupe CA 649C ONVOY, LLC - CA 740      
820-300 0 Guadalupe CA 649C ONVOY, LLC - CA 740   2019-03-01   
820-300 1 Guadalupe CA 649C ONVOY, LLC - CA 740   2019-03-01   
820-300 2 Guadalupe CA 649C ONVOY, LLC - CA 740   2019-05-10   
820-300 4 Guadalupe CA 649C ONVOY, LLC - CA 740   2020-06-08   
820-300 5 Guadalupe CA 649C ONVOY, LLC - CA 740   2019-09-15   
820-300 6 Guadalupe CA 649C ONVOY, LLC - CA 740   2021-03-04   
820-300 7 Guadalupe CA 649C ONVOY, LLC - CA 740   2021-03-04   
820-336 0 Guadalupe CA 649C ONVOY, LLC - CA 740   2021-07-28   
820-336 1 Guadalupe CA 649C ONVOY, LLC - CA 740   2021-07-28   
820-336 2 Guadalupe CA 649C ONVOY, LLC - CA 740   2021-12-13   
820-336 4 Guadalupe CA 649C ONVOY, LLC - CA 740   2021-10-03   
820-336 5 Guadalupe CA 649C ONVOY, LLC - CA 740   2021-10-03   
820-336 7 Guadalupe CA 649C ONVOY, LLC - CA 740   2021-12-13   
820-346 0 Arroyo Grande CA 649C ONVOY, LLC - CA 740   2021-07-28   
820-346 1 Arroyo Grande CA 649C ONVOY, LLC - CA 740   2021-08-13   
820-346 3 Arroyo Grande CA 649C ONVOY, LLC - CA 740   2021-03-04   
820-346 4 Arroyo Grande CA 649C ONVOY, LLC - CA 740   2021-03-04   
820-346 5 Arroyo Grande CA 649C ONVOY, LLC - CA 740   2021-03-04   
820-346 6 Arroyo Grande CA 649C ONVOY, LLC - CA 740   2021-03-04   
820-346 7 Arroyo Grande CA 649C ONVOY, LLC - CA 740   2021-08-13   
820-380 A Pismo Beach CA 649C ONVOY, LLC - CA 740      
820-380 2 Pismo Beach CA 649C ONVOY, LLC - CA 740   2023-01-23   
820-380 3 Pismo Beach CA 649C ONVOY, LLC - CA 740   2023-01-23   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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