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: 662

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-662 A Iberia MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-662 2 Iberia MO   145J TERRA NOVA TELECOM INC. 520   2025-05-30   
573-662 4 Iberia MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2006-06-30   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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