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: ADBNIAXOPS0

Remotes:

Switch Switch name Switch type
ADBNIAXORP0  AUDUBON  DLM 
AUBNIAXORP0  AUBURN  RP 
AUBNIAXORS0  AUBURN  1RC 
BYRDIAXORP0  BAYARD  RP 
BYRDIAXORS0  BYRD  1RC 
CNRPIAXORP0  COON RAPIDS  RP 
CNRPIAXORS0  COON RAPIDS  RLC 
DDHMIAXORP0  DEDHAM  RP 
DDHMIAXORS0  DEDHAM  RLC 
EXIRIAXORP0  EXIRA  RP 
EXIRIAXORS0  EXIRA  1RE 
GLDNIAXORP0  GLIDDEN  RP 
GLDNIAXORS1  GLIDDEN  RS 
HLBRIAXORP0  HALBUR  RP 
HLBRIAXORS0  HALBUR  1RC 
MNNGIAXORP0  MANNING  RP 
MNNGIAXORS0  MANNING  RSC 
RCKTIAXORP0  RICKETTS  RP 
RCKTIAXORS0  RICKETTS  1RC 
RLTNIAXORP0  RALSTON  RP 
RLTNIAXORS0  RALSTON  1RC 
SCHSIAXORP0  SCHLESWIG  RP 
SCHSIAXORS0  SCHLESWIG  RS 
UTE IAXORP0  UTE  RP 
UTE IAXORS0  UTE  1RE 
VAILIAXORP0  VAIL  RP 
VAILIAXORS0  VAIL  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-205 A Audubon IA 1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      
712-205 9 Audubon IA 1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644   2016-09-08   

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

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