Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Wardell, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-402 A STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-402 0   515J IP HORIZON LLC 520   2023-12-29   
573-402 1   993E BANDWIDTH.COM CLEC, LLC - MO 520   2012-01-05   
573-402 2   515J IP HORIZON LLC 520   2023-12-29   
573-402 3   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2016-09-27   
573-402 6   515J IP HORIZON LLC 520   2013-12-19   
573-402 9   624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-628 A WARDMOMARSK  9533 SOUTHWESTERN BELL 520      
573-628 0   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-05   
573-628 1   9533 SOUTHWESTERN BELL 520      
573-628 2   516C AT&T CORP. 520   2011-05-20   
573-628 3   9533 SOUTHWESTERN BELL 520      
573-628 6   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-05   
573-628 7   093F ONVOY, LLC - MO 520   2021-07-24   
573-628 8   073H TELNYX LLC 520   2019-09-30   

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

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