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: 778

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-778 A Alton MO ALTNMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-778 0 Alton MO SPFDMOMCX9X  993E BANDWIDTH.COM CLEC, LLC - MO 522   2020-03-12   
417-778 1 Alton MO ALTNMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-778 3 Alton MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2007-02-09   
417-778 4 Alton MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2021-03-05   
417-778 5 Alton MO SPFDMODL5MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2015-12-10   
417-778 6 Alton MO ALTNMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-778 7 Alton MO ALTNMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-778 8 Alton MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2019-09-02   
417-778 9 Alton MO   5562 METROPCS, INC. 522   2025-04-10   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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