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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NPA: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-800 A Cayucos CA SNBBCAXFXIY  965H FRACTEL, LLC 740      
820-800 0 Cayucos CA SNBBCAXFXIY  965H FRACTEL, LLC 740   2020-01-31   
820-800 1 Cayucos CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-28   
820-800 2 Cayucos CA   939H COMMIO, LLC 740   2024-01-29   
820-800 3 Cayucos CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740   2021-12-15   
820-800 4 Cayucos CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740   2021-12-15   
820-800 5 Cayucos CA SNBBCAXFXCY  939H COMMIO, LLC 740   2022-02-21   
820-800 6 Cayucos CA SNBBCAXFXMX  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 740   2020-11-17   
820-800 7 Cayucos CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-05-09   
820-800 8 Cayucos CA SNBBCAXFXIY  965H FRACTEL, LLC 740   2020-01-31   
820-800 9 Cayucos CA SNBBCAXFXCY  939H COMMIO, LLC 740   2022-02-21   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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