Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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