Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: RVDLNEXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-893 A Riverdale NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-893 0 Riverdale NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-893 1 Riverdale NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-893 2 Riverdale NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-893 3 Riverdale NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-893 4 Riverdale NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-893 5 Riverdale NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
308-893 9 Riverdale NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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