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: 944

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-944 A Twelve Mile IN IPLWIN75ZMD  965H FRACTEL, LLC 336      
574-944 3 Twelve Mile IN   318J COMCAST IP PHONE, LLC 336   2026-01-15   
574-944 4 Twelve Mile IN   965H FRACTEL, LLC 336   2020-12-07   
574-944 5 Twelve Mile IN   097D ONVOY, LLC - IN 336   2020-12-08   
574-944 6 Twelve Mile IN   097D ONVOY, LLC - IN 336   2020-12-08   
574-944 7 Twelve Mile IN   624H ONVOY SPECTRUM, LLC 336   2021-06-18   
574-944 9 Twelve Mile IN   145J TERRA NOVA TELECOM INC. 336   2025-05-31   

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

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