Local Calling Guide

Area code/prefix search

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NPA: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-639 A Montrose MI MTRSMIXIDS0  0671 BRIGHTSPEED OF CENTRAL MICHIGAN, INC 340      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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