Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-357 A STELMOXADS0  0463 BPS TELEPHONE COMPANY 520      
573-357 0 STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2021-12-25   
573-357 1 STELMOXADS0  0463 BPS TELEPHONE COMPANY 520      
573-357 2 STELMOXADS0  0463 BPS TELEPHONE COMPANY 520      
573-357 4 STELMOXADS0  0463 BPS TELEPHONE COMPANY 520      
573-357 5 STELMOXADS0  0463 BPS TELEPHONE COMPANY 520      
573-357 6 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2020-08-05   
573-357 7 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2020-08-05   
573-357 8 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2020-08-05   
573-357 9 STELMOXADS0  0463 BPS TELEPHONE COMPANY 520      

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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