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  BRANDON  RP 
BRNDIAXORP1  BRANDON  RP 
CNCYIAXORP0  CENTRAL CITY  RP 
DELHIAXORP0  DELHI  RP 
DELHIAXORP1  DELHI  RP 
GRELIAXORP0  GREELEY  RP 
GRELIAXORP1  GREELEY  RP 
HPTNIAXORP0  HOPKINTON  C15 
HPTNIAXORP1  HOPKINTON  RP 
RWLYIAXORP0  ROWLEY  C15 
RWLYIAXORP1  ROWLEY  RP 
RYANIAXORP0  RYAN  RP 
RYANIAXORP1  RYAN  RP 
TRMLIAXORP0  TROY MILLS  C15 
TRMLIAXORP1  TROY MILLS  RP 
WLKRIAXORP0  WALKER  C15 
WLKRIAXORP1  WALKER  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      
319-220 9 Central City IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635   2015-09-01   

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

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