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: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-747 A Springfield IL SPFDILESDS2  9329 ILLINOIS BELL TEL CO 374      
217-747 0 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-747 1 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-747 2 Springfield IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2025-09-26   
217-747 3 Springfield IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2025-09-12   
217-747 4 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-747 5 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-747 6 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-747 7 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-747 8 Springfield IL   9329 ILLINOIS BELL TEL CO 374      
217-747 9 Springfield IL   9329 ILLINOIS BELL TEL CO 374      

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

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