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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
380-256 A Alton OH CLMBOH1167Z  732J NUSO, LLC 324      
380-256 1 Alton OH CLMBOH1167Z  732J NUSO, LLC 324   2022-12-30   

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

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