Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Greenfield, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
937-803 A GNFDOHBI0MD  601G HORIZON SERVICES, INC. - OH 328      
937-803 0 WLMGOHXBEMD  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2013-10-10   
937-803 1 GNFDOHBI0MD  601G HORIZON SERVICES, INC. - OH 328   2013-01-31   
937-803 2 DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2021-03-04   
937-803 3 DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2021-12-17   
937-803 4 DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2021-12-17   
937-803 5 DYTNOH22XTY  6529 T-MOBILE USA, INC. 328   2021-12-17   
937-803 7 DYTNOHIBX2X  508J CENTURYLINK COMMUNICATIONS LLC 328   2014-06-01   
937-868 A GNFDOHAB1MD  8168 TIER 2 COMMUNICATIONS, LLC 328      
937-868 0 GNFDOHAB1MD  8168 TIER 2 COMMUNICATIONS, LLC 328   2006-12-04   
937-868 1 DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2020-08-23   
937-868 2 DYTNOHKTDS1  7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 328   2010-06-03   
937-876 A DYTNOHIU0MD  6664 SPRINT SPECTRUM, L.P. 328      
937-876 3 DYTNOH22XXX  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328   2014-12-04   
937-876 4 DYTNOHKT0MD  516J TON80 COMMUNICATIONS LLC 328   2021-04-22   
937-876 5 WLMGOHXBEMD  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2008-06-27   
937-876 7 DYTNOHIU0MD  6664 SPRINT SPECTRUM, L.P. 328   2017-01-13   
937-876 8 DYTNOHIU0MD  6664 SPRINT SPECTRUM, L.P. 328   2005-01-28   
937-876 9 DYTNOHIU0MD  6664 SPRINT SPECTRUM, L.P. 328      
937-981 A GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 0 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 1 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 2 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 3 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 4 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 5 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 6 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 7 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      
937-981 8 DYTNOH22X9Y  036B CITYNET OHIO, LLC - OH 328   2010-01-04   
937-981 9 GNFDOHXADS0  0615 FRONTIER NORTH, INC. - OH 328      

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.