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: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-571 A Springfield MO SPFDMOMCXSX  475J CALLWORKS CORPORATION 522   2024-01-06   
417-571 0 Springfield MO   6275 UNITED STATES CELLULAR - MO 522   2025-02-20   
417-571 1 Springfield MO SPFDMOMCXSX  475J CALLWORKS CORPORATION 522   2024-01-06   
417-571 2 Springfield MO   6275 UNITED STATES CELLULAR - MO 522   2025-02-20   
417-571 3 Springfield MO   093F ONVOY, LLC - MO 522   2025-04-07   
417-571 4 Springfield MO   093F ONVOY, LLC - MO 522   2025-04-07   
417-571 5 Springfield MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2025-04-03   
417-571 6 Springfield MO   6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 522   2025-04-07   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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