Local Calling Guide

Area code/prefix search

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

NXX: 891

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-891 A Cedarville OH DYTNOH22XCZ  506J TWILIO INTERNATIONAL, INC. 328      
937-891 8 Cedarville OH DYTNOH22XCZ  506J TWILIO INTERNATIONAL, INC. 328   2022-02-04   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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