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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-450 A Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 0 Decatur IL   9329 ILLINOIS BELL TEL CO 374      
217-450 1 Decatur IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2011-02-05   
217-450 2 Decatur IL   9329 ILLINOIS BELL TEL CO 374      
217-450 3 Decatur IL   9329 ILLINOIS BELL TEL CO 374      
217-450 4 Decatur IL   9329 ILLINOIS BELL TEL CO 374      
217-450 5 Decatur IL   9329 ILLINOIS BELL TEL CO 374      
217-450 6 Decatur IL   9329 ILLINOIS BELL TEL CO 374      
217-450 7 Decatur IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2013-03-14   
217-450 8 Decatur IL   9329 ILLINOIS BELL TEL CO 374      
217-450 9 Decatur IL   224C ONVOY, LLC 374   2018-01-22   

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

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