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.

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

NXX: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-446 A Sardinia OH SRDNOHXARS0  0615 FRONTIER NORTH, INC. - OH 328      
937-446 0 Sardinia OH DYTNOH22XGY  464C ONVOY, LLC - OH 328   2021-03-25   
937-446 1 Sardinia OH SRDNOHXARS0  0615 FRONTIER NORTH, INC. - OH 328      
937-446 2 Sardinia OH SRDNOHXARS0  0615 FRONTIER NORTH, INC. - OH 328      
937-446 3 Sardinia OH SRDNOHXARS0  0615 FRONTIER NORTH, INC. - OH 328      
937-446 4 Sardinia OH SRDNOHXARS0  0615 FRONTIER NORTH, INC. - OH 328      
937-446 5 Sardinia OH DYTNOH22XXX  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328   2014-01-13   
937-446 6 Sardinia OH DYTNOH22XGY  464C ONVOY, LLC - OH 328   2020-07-18   
937-446 7 Sardinia OH DYTNOHIBX2X  508J CENTURYLINK COMMUNICATIONS LLC 328   2014-06-01   
937-446 8 Sardinia OH DYTNOH22XGY  464C ONVOY, LLC - OH 328   2021-03-25   
937-446 9 Sardinia OH SRDNOHXARS0  0615 FRONTIER NORTH, INC. - OH 328      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.