Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 218 [Rate centres in NPA 218] [Dial plan for NPA 218]

NXX: 658

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
218-658 A Denham MN DNHMMNXDRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-658 0 Denham MN DLTHMNMEXKX  073H TELNYX LLC 624   2020-07-13   
218-658 1 Denham MN DNHMMNXDRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-658 2 Denham MN DNHMMNXDRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-658 3 Denham MN DLTHMNMEX7X  184D ONVOY, LLC - MN 624   2021-03-08   
218-658 4 Denham MN DNHMMNXDRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-658 5 Denham MN DLTHMNMEX7X  184D ONVOY, LLC - MN 624   2017-05-29   
218-658 6 Denham MN DLTHMNMEX7X  184D ONVOY, LLC - MN 624   2021-11-01   
218-658 7 Denham MN DLTHMNMEX7X  184D ONVOY, LLC - MN 624   2015-06-18   
218-658 8 Denham MN DNHMMNXDRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      
218-658 9 Denham MN DNHMMNXDRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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