Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-312 A Dysart IA NLBTIAXO2MD  593K MCC TELEPHONY LLC 635      
319-312 0 Dysart IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-11   
319-312 1 Dysart IA NLBTIAXO2MD  593K MCC TELEPHONY LLC 635   2010-05-17   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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