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: STCDMNTOXJY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-228 2 Holdingford MN 145J TERRA NOVA TELECOM INC. 626   2026-03-30   
320-263 5 Willmar MN 145J TERRA NOVA TELECOM INC. 626   2026-04-21   
320-264 2 Kerkhoven MN 145J TERRA NOVA TELECOM INC. 626   2026-02-06   
320-303 9 Glenwood MN 145J TERRA NOVA TELECOM INC. 626   2026-04-21   
320-326 1 Litchfield MN 145J TERRA NOVA TELECOM INC. 626   2026-04-21   
320-330 A St Cloud MN 145J TERRA NOVA TELECOM INC. 626      
320-374 A Royalton MN 145J TERRA NOVA TELECOM INC. 626      
320-397 9 Montevideo MN 145J TERRA NOVA TELECOM INC. 626   2026-04-21   
320-445 5 Alexandria MN 145J TERRA NOVA TELECOM INC. 626   2026-01-04   
320-477 7 Little Falls MN 145J TERRA NOVA TELECOM INC. 626   2026-01-09   
320-648 9 Appleton MN 145J TERRA NOVA TELECOM INC. 626   2026-04-21   
320-649 9 Bird Island MN 145J TERRA NOVA TELECOM INC. 626   2026-04-21   
320-683 9 Olivia MN 145J TERRA NOVA TELECOM INC. 626   2026-06-05   
320-727 9 Ortonville MN 145J TERRA NOVA TELECOM INC. 626   2026-05-01   
320-735 A Swanville MN 145J TERRA NOVA TELECOM INC. 626      
320-828 9 St Cloud MN 145J TERRA NOVA TELECOM INC. 626   2026-04-17   
320-875 3 Murdock MN 145J TERRA NOVA TELECOM INC. 626   2026-01-04   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.