Local Calling Guide

Area code/prefix search

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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-356 A Atlantic IA OMAKNEYW6MD  965H FRACTEL, LLC 644      
712-356 0 Atlantic IA   221F ONVOY, LLC - IA 644   2021-04-23   
712-356 1 Atlantic IA   221F ONVOY, LLC - IA 644   2021-04-23   
712-356 2 Atlantic IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 644   2020-05-16   
712-356 3 Atlantic IA   221F ONVOY, LLC - IA 644   2020-10-02   
712-356 4 Atlantic IA   624H ONVOY SPECTRUM, LLC 644   2021-02-25   
712-356 5 Atlantic IA   624H ONVOY SPECTRUM, LLC 644   2021-02-25   
712-356 6 Atlantic IA   624H ONVOY SPECTRUM, LLC 644   2021-02-25   
712-356 7 Atlantic IA   624H ONVOY SPECTRUM, LLC 644   2021-02-25   
712-356 8 Atlantic IA   985E BANDWIDTH.COM CLEC, LLC - IA 644   2020-06-27   
712-356 9 Atlantic IA   965H FRACTEL, LLC 644   2020-02-19   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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