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: HRTLIAXPPS0

Remotes:

Switch Switch name Switch type
HRRSIAXPRP0  HARRIS  RP 
HRRSIAXPRS0  HARRIS  GTL 
HRTLIAXPRP0  HARTLEY  GTR 
MLVNIAXPRP0  MELVIN  RP 
MLVNIAXPRS0  MELVIN  GTL 
MYCYIAXPRP0  MAY CITY  RP 
MYCYIAXPRS0  MAY CITY  GTL 
OCHYIAXPRP0  OCHEYEDAN  RP 
OCHYIAXPRS0  OCHEYEDAN  GTR 
PLLNIAXORP0  PAULLINA  RP 
PLLNIAXORS0  PAULLINA  GTR 
PRMGIAXPRP0  PRIMGHAR  RP 
PRMGIAXPRS0  PRIMGHAR  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-459 A Hartley IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-728 A Hartley IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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