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: 315

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-315 A Witt IL MTONILXC1MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976      
217-315 0 Witt IL   073H TELNYX LLC 976   2022-08-20   
217-315 1 Witt IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 976   2025-09-07   
217-315 2 Witt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976   2017-10-28   
217-315 4 Witt IL   197H COMPUTER TECHNIQUES, INC. - IL 976   2023-01-23   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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