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: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-364 A Buffalo IL BFLOILBFRS0  9329 ILLINOIS BELL TEL CO 374      
217-364 0 Buffalo IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2018-11-02   
217-364 1 Buffalo IL   593K MCC TELEPHONY LLC 374   2010-06-20   
217-364 2 Buffalo IL   224C ONVOY, LLC 374   2009-03-13   
217-364 4 Buffalo IL   9329 ILLINOIS BELL TEL CO 374      
217-364 5 Buffalo IL   9329 ILLINOIS BELL TEL CO 374      
217-364 7 Buffalo IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2004-07-16   
217-364 8 Buffalo IL   224C ONVOY, LLC 374   2013-11-29   
217-364 9 Buffalo IL   9329 ILLINOIS BELL TEL CO 374      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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