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: 559

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-559 A Westville IL CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370      
217-559 0 Westville IL   073H TELNYX LLC 370   2018-07-10   
217-559 1 Westville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2015-12-04   
217-559 2 Westville IL   224C ONVOY, LLC 370   2021-05-09   
217-559 3 Westville IL   224C ONVOY, LLC 370   2023-04-20   
217-559 4 Westville IL   224C ONVOY, LLC 370   2021-06-07   
217-559 5 Westville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2023-07-17   
217-559 6 Westville IL   224C ONVOY, LLC 370   2021-06-07   
217-559 7 Westville IL   508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-17   
217-559 8 Westville IL   224C ONVOY, LLC 370   2019-07-05   
217-559 9 Westville IL   224C ONVOY, LLC 370   2019-07-05   

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

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