Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-323 A Van Buren MO VNBRMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-323 0 Van Buren MO VNBRMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-323 3 Van Buren MO   145J TERRA NOVA TELECOM INC. 520   2025-07-14   
573-323 4 Van Buren MO VNBRMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-323 7 Van Buren MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2015-10-06   
573-323 8 Van Buren MO VNBRMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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