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: 216

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-216 A Arroyo Grande CA SNLOCA01XMY  490J BOOST SUBSCRIBERCO L.L.C. 740      
820-216 0 Arroyo Grande CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2023-09-22   
820-216 1 Arroyo Grande CA   649C ONVOY, LLC - CA 740   2026-07-24   
820-216 2 Arroyo Grande CA SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2025-07-28   
820-216 3 Arroyo Grande CA SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2025-07-28   
820-216 4 Arroyo Grande CA   649C ONVOY, LLC - CA 740   2026-07-24   
820-216 6 Arroyo Grande CA   981E BANDWIDTH.COM CLEC, LLC - CA 740   2026-08-15   
820-216 7 Arroyo Grande CA SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2024-09-27   
820-216 8 Arroyo Grande CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-06-07   
820-216 9 Arroyo Grande CA SNLOCA01XMY  490J BOOST SUBSCRIBERCO L.L.C. 740   2023-07-17   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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