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.

Minster, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
419-501 A NWKNOH01DS0  9133 GOLDSTAR COMMUNICATIONS, LLC - OH 326      
419-628 A MNSTOHXARS0  0615 FRONTIER NORTH, INC. - OH 326      
419-628 0   0615 FRONTIER NORTH, INC. - OH 326      
419-628 1   0615 FRONTIER NORTH, INC. - OH 326      
419-628 2   0615 FRONTIER NORTH, INC. - OH 326      
419-628 3   0615 FRONTIER NORTH, INC. - OH 326      
419-628 4   0615 FRONTIER NORTH, INC. - OH 326      
419-628 5   0640 TSC COMMUNICATIONS, INC. - OH 326   2010-05-06   
419-628 6   793K TWC IP ENABLED SERVICES, LLC 326   2007-07-27   
419-628 7   0615 FRONTIER NORTH, INC. - OH 326      
419-628 8   0615 FRONTIER NORTH, INC. - OH 326      
419-628 9   793K TWC IP ENABLED SERVICES, LLC 326   2013-09-26   
567-603 A TOLDOHOZDS0  7158 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 326      
567-603 0   284F PEERLESS NETWORK OF OHIO, LLC - OH 326   2014-04-28   
567-603 1   073H TELNYX LLC 326   2019-10-04   
567-603 3   7158 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 326   2014-03-20   
567-603 7   508J CENTURYLINK COMMUNICATIONS, LLC 326   2014-04-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.