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: 780

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-780 A Ava MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2025-06-16   
417-780 0 Ava MO   145J TERRA NOVA TELECOM INC. 522   2025-07-14   
417-780 9 Ava MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2025-06-16   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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