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: EMBGIAXPDS0

Remotes:

Switch Switch name Switch type
CYLNIAXORL0  CYLINDER  GTR 
MLRDIAXORL0  MALLARD  GTL 
ROLFIAXORL0  ROLFE  GTL 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-852 A Emmetsburg IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-922 A Emmetsburg IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.