Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Duncan, NE

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
402-897 A DNCNNEXHRS0  1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-897 0   1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-897 1   549E ONVOY, LLC - NE 644   2021-04-12   
402-897 2   1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-897 3   1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-897 4   549E ONVOY, LLC - NE 644   2021-03-12   
402-897 5   549E ONVOY, LLC - NE 644   2021-03-12   
402-897 6   549E ONVOY, LLC - NE 644   2019-09-03   
402-897 7   508J CENTURYLINK COMMUNICATIONS, LLC 644   2015-05-27   
402-897 8   549E ONVOY, LLC - NE 644   2018-11-17   
402-897 9   732J NUSO, LLC 644   2023-08-12   

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

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