Local Calling Guide

Area code/prefix search

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La Place, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-677 A LAPLILXCRS0  1015 FRONTIER NORTH, INC. - IL 374      
217-677 0   495J STRATUS NETWORKS 374   2020-11-13   
217-677 1   145J TERRA NOVA TELECOM INC. 374   2025-07-06   
217-677 2   1015 FRONTIER NORTH, INC. - IL 374      
217-677 3   224C ONVOY, LLC 374   2019-07-27   
217-677 4   224C ONVOY, LLC 374   2019-07-27   
217-677 5   624H ONVOY SPECTRUM, LLC 374   2024-05-24   
217-677 7   224C ONVOY, LLC 374   2018-07-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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