Local Calling Guide

Area code/prefix search

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NPA: 937 [Rate centres in NPA 937] [Dial plan for NPA 937]

NXX: 922

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-922 A Springfield OH DYTNOH22X3Y  9748 AMERICAN MESSAGING SERVICES, LLC 328      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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