Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 731

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-731 A Clinton IL BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
217-731 0 Clinton IL LNCLILXCDMD  624H ONVOY SPECTRUM, LLC 366   2024-04-08   
217-731 1 Clinton IL BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366   2010-07-15   
217-731 2 Clinton IL LNCLILXCCMD  6529 T-MOBILE USA, INC. 366   2021-03-06   
217-731 4 Clinton IL BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
217-731 6 Clinton IL BLTNILXDX0X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 366   2013-03-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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