Local Calling Guide

Area code/prefix search

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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 497

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-497 A Lewistown MO LWTWMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-497 2 Lewistown MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-497 3 Lewistown MO   093F ONVOY, LLC - MO 520   2021-03-06   

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

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