Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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South Bigelow, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-682 A BGLWMNXBRL0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
712-682 0   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
712-682 1   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
712-682 2   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
712-682 3   073H TELNYX LLC 620   2020-05-29   
712-682 4   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 620   2018-10-12   
712-682 6   221F ONVOY, LLC - IA 620   2021-12-19   
712-682 7   624H ONVOY SPECTRUM, LLC 620   2021-10-29   
712-682 8   624H ONVOY SPECTRUM, LLC 620   2021-07-12   
712-682 9   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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