Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 220 [Rate centres in NPA 220] [Dial plan for NPA 220]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-278 A Clarksburg OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2025-05-25   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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