Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Herman, NE

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
402-456 A HRMNNEXCRS0  1577 GREAT PLAINS COMMUNICATIONS, INC. 644      
402-456 6 HRMNNEXCRS0  1577 GREAT PLAINS COMMUNICATIONS, INC. 644      
402-456 7 HRMNNEXCRS0  1577 GREAT PLAINS COMMUNICATIONS, INC. 644      
402-456 9   145J TERRA NOVA TELECOM INC. 644   2025-07-14   

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

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