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: CNCYIAXOPS0

Remotes:

Switch Switch name Switch type
BRNDIAXORP0    RP 
BRNDIAXORP1    RP 
CNCYIAXORP0    RP 
DELHIAXORP0    RP 
DELHIAXORP1    RP 
GRELIAXORP0    RP 
GRELIAXORP1    RP 
HPTNIAXORP0    C15 
HPTNIAXORP1    RP 
RWLYIAXORP0    C15 
RWLYIAXORP1    RP 
RYANIAXORP0    RP 
RYANIAXORP1    RP 
TRMLIAXORP0    C15 
TRMLIAXORP1    RP 
WLKRIAXORP0    C15 
WLKRIAXORP1    RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-220 A Central City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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