Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Potomac, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-987 A PTMCILXCRS0  1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 370      
217-987 0 CHMPILCPX5X  5800 ITV-3, LLC D/B/A I3 BROADBAND 370   2003-07-18   
217-987 1 CHMPILCPX0Y  073H TELNYX LLC 370   2020-07-19   
217-987 2 CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2015-10-30   
217-987 3 CHMPILCPOMD  224C ONVOY, LLC 370   2018-08-25   
217-987 4 CHMPILLW0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2012-09-23   
217-987 5 PTMCILXCRS0  1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 370      
217-987 6 PTMCILXCRS0  1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 370      
217-987 7 CHMPILCPXOX  508J CENTURYLINK COMMUNICATIONS LLC 370   2016-06-16   
217-987 8 CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
217-987 9 CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
447-677 A CHMPILCPXHY  566J RADIANTIQ LLC 370   2021-06-17   
447-677 6 CHMPILCPXHY  566J RADIANTIQ LLC 370   2021-06-17   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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