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: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-388 A Donnellson IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634      
319-388 1 Donnellson IA MNPLIAXCGMD  624H ONVOY SPECTRUM, LLC 634   2024-12-19   
319-388 3 Donnellson IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2022-06-16   
319-388 4 Donnellson IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2022-02-04   
319-388 8 Donnellson IA   145J TERRA NOVA TELECOM INC. 634   2025-06-06   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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