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: CLJTIAXOPS0

Remotes:

Switch Switch name Switch type
CLJTIAXORP0    RP 
CNSVIAXORP0    RP 
CNSVIAXORP1    RP 
GDVWIAXORP0    RP 
GDVWIAXORP1    RP 
LTTSIAXORP0    RP 
LTTSIAXORP1    RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-344 A Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-344 9 Columbus Junction IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634   2015-09-01   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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