Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-576 A Springfield MO SPFDMOTLXRY  7421 AT&T - LOCAL 522      
417-576 0 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2004-11-04   
417-576 1 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2004-11-04   
417-576 2 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2004-11-04   
417-576 3 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2005-03-20   
417-576 4 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2005-03-20   
417-576 5 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2005-03-20   
417-576 6 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2005-03-20   
417-576 7 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2005-03-20   
417-576 8 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2005-03-20   
417-576 9 Springfield MO   7421 AT&T - LOCAL 522      

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

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