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: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-206 A Springfield IL SPFDILSLRS0  9329 ILLINOIS BELL TEL CO 374      
217-206 0 Springfield IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2011-03-04   
217-206 1 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-206 2 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-206 3 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-206 4 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-206 5 Springfield IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2006-12-15   
217-206 6 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-206 7 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-206 8 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-206 9 Springfield IL   9329 ILLINOIS BELL TEL CO 374      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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