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: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-422 A Vienna MO VINNMOGARS5  9533 SOUTHWESTERN BELL 521      
573-422 1 Vienna MO VINNMOGARS5  9533 SOUTHWESTERN BELL 521      
573-422 3 Vienna MO VINNMOGARS5  9533 SOUTHWESTERN BELL 521      
573-422 4 Vienna MO JFCYMOXAXHX  093F ONVOY, LLC - MO 521   2019-11-29   
573-422 5 Vienna MO JFCYMOXAXHX  093F ONVOY, LLC - MO 521   2019-11-29   
573-422 6 Vienna MO VINNMOGARS5  9533 SOUTHWESTERN BELL 521      
573-422 8 Vienna MO   516C AT&T CORP. 521   2025-10-06   
573-422 9 Vienna MO VINNMOGARS5  9533 SOUTHWESTERN BELL 521      

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

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