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: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-742 A Willard MO WLRDMOSHRS0  9533 SOUTHWESTERN BELL 522      
417-742 0 Willard MO   145J TERRA NOVA TELECOM INC. 522   2025-07-12   
417-742 1 Willard MO WLRDMOSHRS0  9533 SOUTHWESTERN BELL 522      
417-742 2 Willard MO WLRDMOSHRS0  9533 SOUTHWESTERN BELL 522      
417-742 3 Willard MO WLRDMOSHRS0  9533 SOUTHWESTERN BELL 522      
417-742 4 Willard MO WLRDMOSHRS0  9533 SOUTHWESTERN BELL 522      
417-742 5 Willard MO WLRDMOSHRS0  9533 SOUTHWESTERN BELL 522      
417-742 7 Willard MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2019-12-06   
417-742 8 Willard MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2019-12-06   
417-742 9 Willard MO WLRDMOSHRS0  9533 SOUTHWESTERN BELL 522      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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