Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 270 [Rate centres in NPA 270] [Dial plan for NPA 270]

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
270-637 A Calhoun KY MDVIKYMAXTX  896E ONVOY, LLC - KY 464   2024-01-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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