Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Kasson, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-603 A ROCHMNHH3MD  792K CHARTER IP ENABLED SERVICES, LLC 620   2025-02-27   
507-603 0   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2022-05-08   
507-603 1   792K CHARTER IP ENABLED SERVICES, LLC 620      
507-634 A KSSNMNXK63G  1412 KASSON & MANTORVILLE TEL. CO. 620      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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