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: 207

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-207 A St Joseph IL CHMPILRAVMD  516C AT&T CORP. 370      
217-207 0 St Joseph IL   073H TELNYX LLC 370   2017-03-30   
217-207 1 St Joseph IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 370   2017-10-13   
217-207 2 St Joseph IL   224C ONVOY, LLC 370   2018-01-05   
217-207 3 St Joseph IL   224C ONVOY, LLC 370   2013-12-09   
217-207 4 St Joseph IL   224C ONVOY, LLC 370   2018-11-02   
217-207 5 St Joseph IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2019-05-18   
217-207 6 St Joseph IL   508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-17   
217-207 7 St Joseph IL   516C AT&T CORP. 370   2011-12-07   
217-207 8 St Joseph IL   224C ONVOY, LLC 370   2018-07-16   
217-207 9 St Joseph IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2015-10-30   

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

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