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.

Wishek, ND

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
701-452 A STELNDXADS0  1604 BEK COMMUNICATIONS COOPERATIVE 638      
701-731 A BSMRNDBCX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 638      
701-731 0 BSMRNDBCX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 638      
701-731 9   145J TERRA NOVA TELECOM INC. 638   2025-07-06   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.