Local Calling Guide

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

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-521 A Springfield OH HMTNOHHMDS3  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328      
937-521 0 Springfield OH   6529 T-MOBILE USA, INC. 328   2005-06-05   
937-521 1 Springfield OH HMTNOHHMDS3  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2005-03-28   
937-521 2 Springfield OH HMTNOHHMDS3  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2006-03-13   
937-521 3 Springfield OH HMTNOHHMDS3  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2007-04-01   
937-521 4 Springfield OH HMTNOHHMDS3  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2007-06-23   
937-521 5 Springfield OH HMTNOHHMDS3  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2013-07-18   
937-521 7 Springfield OH DYTNOHIBX2X  508J CENTURYLINK COMMUNICATIONS LLC 328   2014-06-01   
937-521 8 Springfield OH DYTNOHISBMD  3376 WINDSTREAM NUVOX OHIO, LLC 328   2018-10-11   
937-521 9 Springfield OH DYTNOH22X8Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2017-10-09   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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