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: 658

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-658 A Milford IN MLFRINXARS1  0832 BRIGHTSPEED OF INDIANA, LLC 332      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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