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: 357

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-357 A Fairfax IA NLBTIAXO2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635      
319-357 3 Fairfax IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-11   
319-357 8 Fairfax IA NLBTIAXO2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635   2010-05-06   

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

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