Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Lisbon, ND

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
701-614 A FARGNDBCWMD  8054 LEVEL 3 COMMUNICATIONS, LLC - ND 636   2025-09-04   
701-614 7 FARGNDBCWMD  8054 LEVEL 3 COMMUNICATIONS, LLC - ND 636   2025-09-04   
701-683 A ELDLNDXADS0  1611 DICKEY RURAL TEL. COOP. 636      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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