Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 380 [Rate centres in NPA 380] [Dial plan for NPA 380]

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
380-277 A Hilliard OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2024-08-30   
380-277 0 Hilliard OH CLMBOH1143Z  624H ONVOY SPECTRUM, LLC 324   2024-09-02   
380-277 1 Hilliard OH   464C ONVOY, LLC - OH 324   2025-11-28   
380-277 2 Hilliard OH   464C ONVOY, LLC - OH 324   2026-01-10   
380-277 3 Hilliard OH   464C ONVOY, LLC - OH 324   2026-03-22   
380-277 5 Hilliard OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2026-01-04   
380-277 6 Hilliard OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2026-01-04   
380-277 7 Hilliard OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2025-06-12   
380-277 8 Hilliard OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2025-01-15   
380-277 9 Hilliard OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2024-08-30   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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