Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: IRTNIAAARS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-278 7 Ireton IA 1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS 630      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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