Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-346 A Arroyo Grande CA SNBBCAXFXIY  965H FRACTEL, LLC 740      
820-346 0 Arroyo Grande CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-28   
820-346 1 Arroyo Grande CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-08-13   
820-346 2 Arroyo Grande CA SNBBCAXFXIY  965H FRACTEL, LLC 740   2021-01-15   
820-346 3 Arroyo Grande CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-03-04   
820-346 4 Arroyo Grande CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-03-04   
820-346 5 Arroyo Grande CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-03-04   
820-346 6 Arroyo Grande CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-03-04   
820-346 7 Arroyo Grande CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-08-13   
820-346 8 Arroyo Grande CA SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2021-02-27   
820-346 9 Arroyo Grande CA SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2021-02-27   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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