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: FRFDIAXCDS0

Remotes:

Switch Switch name Switch type
AGNCIAXORS0  AGENCY  RSC 
BLBGIAXORS0  BLADENSBURG  RLC 
DELTIAXORS0  DELTA  RLC 
DODSIAXORS0  DOUDS  RLC 
ELDNIAXORS0  ELDON  RSC 
FASNIAXORL0  FARSON  RLC 
FRMTIAXORS0  FREMONT  RSC 
HDRCIAXORS0  HEDRICK  RSC 
HRPRIAXORS1  HARPER  DRL 
KEOTIAXPRS0  KEOTA  DRL 
LBVLIAXORS6  LIBERTYVILLE  RLC 
MLTNIAXORS0  MILTON  RLC 
MRBGIAXORS0  MARTINSBURG  RLC 
OLLIIAXORS0  OLLIE  RLC 
SGRNIAXPRS0  SIGOURNEY  DRL 
WHCHIAXORS0  WHAT CHEER  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-469 A Fairfield IA 1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-470 A Fairfield IA 1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-472 A Fairfield IA 1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      

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

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