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.
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OCN: 4837 MTCO COMMUNICATIONS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
309-508 A Metamora IL MTMOILXDDS1  368      
779-432 A Sheffield IL SHFDIL010MD  368      
815-750 A Marseilles IL MRSLILAFDS1  358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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