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: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-440 A Aurora MO SPFDMOMCXIX  6701 AERIAL COMMUNICATIONS, INC. 522      
417-440 0 Aurora MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2005-01-14   
417-440 1 Aurora MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2006-11-27   
417-440 2 Aurora MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2011-11-01   
417-440 4 Aurora MO   159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 522   2007-04-20   
417-440 5 Aurora MO   142C RYSTEC, INC 522   2004-12-07   
417-440 6 Aurora MO   508J CENTURYLINK COMMUNICATIONS, LLC 522   2014-06-02   
417-440 8 Aurora MO   6701 AERIAL COMMUNICATIONS, INC. 522      
417-440 9 Aurora MO   5562 METROPCS, INC. 522      

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

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