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: 496

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-496 A Sherman IL SHMNILXCRS0  1015 FRONTIER NORTH, INC. - IL 374      
217-496 0 Sherman IL SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374   2019-07-26   
217-496 1 Sherman IL SPFDILES7MD  224C ONVOY, LLC 374   2019-07-27   
217-496 2 Sherman IL SHMNILXCRS0  1015 FRONTIER NORTH, INC. - IL 374      
217-496 3 Sherman IL SHMNILXCRS0  1015 FRONTIER NORTH, INC. - IL 374      
217-496 4 Sherman IL SPFDILES7MD  224C ONVOY, LLC 374   2018-07-30   
217-496 6 Sherman IL SPFDILMB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2004-07-17   
217-496 7 Sherman IL SPFDILES0MD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 374   2017-10-16   
217-496 8 Sherman IL SPFDILESDS3  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2015-10-30   
217-496 9 Sherman IL SHMNILXCRS0  1015 FRONTIER NORTH, INC. - IL 374      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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