Local Calling Guide

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

NXX: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-858 A Timber MO TMBRMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-858 3 Timber MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-858 8 Timber MO   145J TERRA NOVA TELECOM INC. 520   2025-05-30   
573-858 9 Timber MO   145J TERRA NOVA TELECOM INC. 520   2026-01-04   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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