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.

Mallard, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-425 A MLRDIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-425 0 DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 630      
712-425 1 MLRDIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-425 2 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-425 3 MLRDIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-425 4 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-425 7 SXCYIADTQMD  508J CENTURYLINK COMMUNICATIONS, LLC 630      
712-425 8   624H ONVOY SPECTRUM, LLC 630      
712-425 9 MLRDIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.