Local Calling Guide

Area code/prefix search

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

NXX: 716

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-716 A Williamsburg MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-716 2 Williamsburg MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2017-12-24   

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

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