Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CMBRMN01RL0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
763-552 A Cambridge MN 4263 WINDSTREAM NORTHSTAR, LLC - MN 628      

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

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