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: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-371 A Holcomb MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-371 0 Holcomb MO   515J IP HORIZON LLC 520   2023-12-09   
573-371 1 Holcomb MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-06   
573-371 2 Holcomb MO   515J IP HORIZON LLC 520   2023-12-09   
573-371 3 Holcomb MO   093F ONVOY, LLC - MO 520   2016-09-28   
573-371 5 Holcomb MO   516C AT&T CORP. 520   2011-05-20   
573-371 6 Holcomb MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-06   
573-371 7 Holcomb MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2017-09-03   
573-371 8 Holcomb MO   073H TELNYX LLC 520   2019-09-30   
573-371 9 Holcomb MO   515J IP HORIZON LLC 520   2013-12-19   

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

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