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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Switch: MTONILXCDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-261 A Mattoon IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 976      
217-261 0 Mattoon IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 976   2022-12-01   
217-261 7 Mattoon IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 976   2023-02-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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