Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 574 [Rate centres in NPA 574] [Dial plan for NPA 574]

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-380 A Atwood IN PLMOINXAXMD  508J CENTURYLINK COMMUNICATIONS, LLC 332      
574-380 0 Atwood IN   105F BANDWIDTH.COM CLEC, LLC - IN 332   2018-04-16   
574-380 1 Atwood IN   097D ONVOY, LLC - IN 332   2021-07-27   
574-380 2 Atwood IN   105F BANDWIDTH.COM CLEC, LLC - IN 332   2022-12-03   
574-380 4 Atwood IN   097D ONVOY, LLC - IN 332   2021-09-04   
574-380 5 Atwood IN   097D ONVOY, LLC - IN 332   2021-09-04   
574-380 6 Atwood IN   145J TERRA NOVA TELECOM INC. 332   2025-05-21   
574-380 7 Atwood IN   508J CENTURYLINK COMMUNICATIONS, LLC 332   2014-04-17   
574-380 8 Atwood IN   624H ONVOY SPECTRUM, LLC 332   2024-06-21   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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