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: FRFDIAXCPS0

Remotes:

Switch Switch name Switch type
AGNCIAXORP0  AGENCY  RP 
BLBGIAXORP0  BLADENSBURG  RP 
DELTIAXORP0  DELTA  RP 
DODSIAXORP0  DOUDS  RP 
ELDNIAXORP0  ELDON  RP 
FASNIAXORP0  FARSON  RP 
FRMTIAXORP0  FREMONT  RP 
HDRCIAXORP0  HEDRICK  RP 
HRPRIAXORP0  HARPER  RP 
KEOTIAXPRP0  KEOTA  RP 
LBVLIAXORP0  LIBERTYVILLE  RP 
MLTNIAXORP0  MILTON  RP 
MRBGIAXORP0  MARTINSBURG  RP 
OLLIIAXORP0  OLLIE  RP 
PRDNTXXARP0  PURDON  RP 
SGRNIAXPRP0  SIGOURNEY  RP 
WHCHIAXORP0  WHAT CHEER  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-819 A Fairfield IA 1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-819 9 Fairfield IA 1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632   2015-08-24   

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

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