Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-721 A Imlay City MI IMCYMIXHDS0  0695 FRONTIER NORTH, INC. - MI 340      
810-721 0 Imlay City MI IMCYMIXHDS0  0695 FRONTIER NORTH, INC. - MI 340      
810-721 1 Imlay City MI IMCYMIXHDS0  0695 FRONTIER NORTH, INC. - MI 340      
810-721 2 Imlay City MI IMCYMIXHDS0  0695 FRONTIER NORTH, INC. - MI 340      
810-721 3 Imlay City MI IMCYMIXHDS0  0695 FRONTIER NORTH, INC. - MI 340      
810-721 4 Imlay City MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340   2010-06-12   
810-721 5 Imlay City MI   145J TERRA NOVA TELECOM INC. 340   2021-07-14   
810-721 6 Imlay City MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-11-15   
810-721 7 Imlay City MI FETPMIAU2MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 340   2007-02-25   
810-721 8 Imlay City MI IMCYMIXHDS0  0695 FRONTIER NORTH, INC. - MI 340      
810-721 9 Imlay City MI IMCYMIXHDS0  0695 FRONTIER NORTH, INC. - MI 340      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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