Local Calling Guide

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

NXX: 573

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-573 A Troy OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328      
937-573 1 Troy OH DYTNOH22X0Z  6529 T-MOBILE USA, INC. 328   2012-01-12   
937-573 2 Troy OH DYTNOH22X2Z  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2003-11-02   
937-573 3 Troy OH DYTNOHKTDS1  7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328   2004-06-12   
937-573 4 Troy OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2003-06-24   
937-573 5 Troy OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2004-12-30   
937-573 6 Troy OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328   2003-10-13   
937-573 7 Troy OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328   2003-06-10   
937-573 8 Troy OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328   2003-10-13   
937-573 9 Troy OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328   2005-06-25   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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