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: 533

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-533 A Irving IL IRNGILXCRS0  1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-533 0 Irving IL   1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-533 3 Irving IL   197H COMPUTER TECHNIQUES, INC. - IL 976   2023-02-25   
217-533 4 Irving IL   1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-533 5 Irving IL   1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-533 6 Irving IL   1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-533 7 Irving IL   1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-533 8 Irving IL   1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-533 9 Irving IL   1037 ILLINOIS CONSOLIDATED TEL. CO. 976      

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

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