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: 917

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-917 A Decatur IL SPFDILESXHX  073H TELNYX LLC 374      
217-917 2 Decatur IL   145J TERRA NOVA TELECOM INC. 374   2026-06-04   
217-917 3 Decatur IL SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2019-04-04   
217-917 4 Decatur IL SPFDILMB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374      
217-917 5 Decatur IL SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2019-04-04   
217-917 9 Decatur IL SPFDILESXHX  073H TELNYX LLC 374   2017-02-16   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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