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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: GENONEXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-993 A Genoa NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-993 1 Genoa NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-993 2 Genoa NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-993 6 Genoa NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-993 7 Genoa NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-993 9 Genoa NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.