Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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North Rock Rapids, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-392 A SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 0 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 1 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 2 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 3 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 4 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 5 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 6 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 7 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      
507-392 8 SBLYIAAC1MD  1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      

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

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