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.

Annandale, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
320-261 A HSNGMNXHEMD  429A MIDCONTINENT COMMUNICATIONS - MN 628      
320-261 2 STCDMNES6MD  4156 TEKSTAR COMMUNICATIONS, INC. 628      
320-261 5 HSNGMNXHEMD  429A MIDCONTINENT COMMUNICATIONS - MN 628      
320-274 A ANDLMNXBDS0  1414 WINDSTREAM LAKEDALE, INC. 628      
320-430 A ANDLMNXBPS0  1414 WINDSTREAM LAKEDALE, INC. 628      
320-430 4 MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628      
320-430 9 ANDLMNXBPS0  1414 WINDSTREAM LAKEDALE, INC. 628      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.