Local Calling Guide

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

NXX: 217

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-217 A Carter Lake IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-217 0 Carter Lake IA   221F ONVOY, LLC - IA 644   2021-04-23   
712-217 1 Carter Lake IA   221F ONVOY, LLC - IA 644   2020-01-26   
712-217 2 Carter Lake IA   221F ONVOY, LLC - IA 644   2019-10-25   
712-217 3 Carter Lake IA   221F ONVOY, LLC - IA 644   2019-10-25   
712-217 4 Carter Lake IA   624H ONVOY SPECTRUM, LLC 644   2021-10-30   
712-217 5 Carter Lake IA   624H ONVOY SPECTRUM, LLC 644   2021-07-18   
712-217 6 Carter Lake IA   221F ONVOY, LLC - IA 644   2021-11-17   
712-217 7 Carter Lake IA   221F ONVOY, LLC - IA 644   2021-10-18   
712-217 8 Carter Lake IA   221F ONVOY, LLC - IA 644   2021-04-23   
712-217 9 Carter Lake IA   423H AIRUS, INC - IA 644   2025-05-11   

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

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