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: 897

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-897 A Springfield MO SPFDMOTLXUY  506J TWILIO INTERNATIONAL, INC. 522      
417-897 0 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2025-11-06   
417-897 3 Springfield MO   624H ONVOY SPECTRUM, LLC 522   2022-06-25   
417-897 4 Springfield MO   624H ONVOY SPECTRUM, LLC 522   2022-06-25   
417-897 5 Springfield MO   624H ONVOY SPECTRUM, LLC 522   2022-05-15   
417-897 6 Springfield MO   624H ONVOY SPECTRUM, LLC 522   2022-05-15   
417-897 7 Springfield MO   624H ONVOY SPECTRUM, LLC 522   2022-04-18   
417-897 8 Springfield MO   506J TWILIO INTERNATIONAL, INC. 522   2022-02-25   
417-897 9 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2025-11-06   

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

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