Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 937 [Rate centres in NPA 937] [Dial plan for NPA 937]

NXX: 512

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-512 A Dayton OH DYTNOH2222J  9321 OHIO BELL TEL CO 328      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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