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: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-455 A Westphalia MO WPHLMOGLRS4  9533 SOUTHWESTERN BELL 521      
573-455 0 Westphalia MO JFCYMOXAXHX  093F ONVOY, LLC - MO 521   2017-05-09   
573-455 1 Westphalia MO WPHLMOGLRS4  9533 SOUTHWESTERN BELL 521      
573-455 2 Westphalia MO WPHLMOGLRS4  9533 SOUTHWESTERN BELL 521      
573-455 3 Westphalia MO JFCYMOXAXHX  093F ONVOY, LLC - MO 521   2019-11-29   
573-455 4 Westphalia MO JFCYMOXAXHX  093F ONVOY, LLC - MO 521   2019-11-29   
573-455 5 Westphalia MO JFCYMOXAXSX  073H TELNYX LLC 521   2020-08-08   
573-455 6 Westphalia MO JFCYMOXAX7Y  093F ONVOY, LLC - MO 521   2023-08-27   
573-455 8 Westphalia MO JFCYMOXAX6Y  624H ONVOY SPECTRUM, LLC 521   2024-03-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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