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: CNCYIAXODS0

Remotes:

Switch Switch name Switch type
BRNDIAXORS1    RS 
DELHIAXORS0  DELHI  DSF 
GRELIAXORS0  GREELEY  1RC 
HPTNIAXORS0  HOPKINTON  1RE 
RWLYIAXORS9  ROWLEY  1RC 
RYANIAXORS0  RYAN  1RC 
TRMLIAXORS0  TROY MILLS  1RC 
WLKRIAXORS0  WALKER  1RE 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-438 A Central City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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