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: NAPNNEXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-269 A Naponee NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
785-264 A South Naponee KS 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
785-264 0 South Naponee KS 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
785-264 1 South Naponee KS 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
785-264 2 South Naponee KS 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
785-264 3 South Naponee KS 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      
785-264 9 South Naponee KS 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 646      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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