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: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-597 A Auxvasse MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-597 2 Auxvasse MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2017-12-24   
573-597 5 Auxvasse MO STLVMOOH6MD  5562 METROPCS, INC. 520   2021-05-08   
573-597 9 Auxvasse MO   6529 T-MOBILE USA, INC. 520   2025-04-13   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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