Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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: Sun, 07 Dec 2025 22:02:11 UTC

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