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.

Alpha, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
563-429 A ALPHIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
563-429 1 ALPHIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
563-429 2 ALPHIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
563-429 3 ALPHIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
563-429 4 CDRRIADTKMD  221F ONVOY, LLC - IA 635      
563-429 5   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
563-429 6 MONNIAXODS1  429J HAWKEYE INTERCONNECT COMPANY - IA 635      
563-429 7 CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635      
563-429 8 CDRRIADTKMD  221F ONVOY, LLC - IA 635      
563-429 9 ALPHIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.