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: CETNIAXCPS0

Remotes:

Switch Switch name Switch type
CETNIAXCRP0  CRESTON  GTR 
KENTIAXORL0  KENT  GTM 
KENTIAXORP0  KENT  RP 
ORNTIAXPRP0  ORIENT  RP 
ORNTIAXPRS0  ORIENT  GTL 
PRSCIAXORP0  PRESCOTT  RP 
PRSCIAXORS0  PRESCOTT  GTL 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-278 A Creston IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-278 4 Creston IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632   2012-02-10   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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