Local Calling Guide

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Emerson, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-530 A OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-530 0   221F ONVOY, LLC - IA 644   2016-05-19   
712-530 1   221F ONVOY, LLC - IA 644   2016-05-19   
712-530 2   073H TELNYX LLC 644   2020-05-28   
712-530 3   221F ONVOY, LLC - IA 644   2021-06-11   
712-530 5   221F ONVOY, LLC - IA 644   2019-09-20   
712-530 6   624H ONVOY SPECTRUM, LLC 644   2021-10-30   
712-530 7   624H ONVOY SPECTRUM, LLC 644   2021-07-18   
712-530 8   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2024-10-25   
712-530 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2021-05-31   
712-824 A EMSNIAXORS0  1301 SOUTHWEST TEL. EXCH., INC. 644      

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

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