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: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-588 A Sinking Spring OH SNSPOHXBRL0  0615 FRONTIER NORTH, INC. - OH 328      
937-588 0 Sinking Spring OH   7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 328   2020-11-11   
937-588 1 Sinking Spring OH   0615 FRONTIER NORTH, INC. - OH 328      
937-588 2 Sinking Spring OH   0615 FRONTIER NORTH, INC. - OH 328      
937-588 4 Sinking Spring OH   0615 FRONTIER NORTH, INC. - OH 328      
937-588 5 Sinking Spring OH   464C ONVOY, LLC - OH 328   2020-12-13   
937-588 6 Sinking Spring OH   464C ONVOY, LLC - OH 328   2020-07-18   
937-588 7 Sinking Spring OH   508J CENTURYLINK COMMUNICATIONS LLC 328   2014-06-01   
937-588 8 Sinking Spring OH   464C ONVOY, LLC - OH 328   2020-12-13   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.