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.

Switch: DYTNOH22XXX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-933 A Terre Haute OH 7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328      
937-933 9 Terre Haute OH 7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328   2006-11-01   
937-964 4 North Hampton OH 7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328   2004-09-30   
937-987 5 New Vienna OH 7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328   2012-06-01   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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