Local Calling Guide

Area code/prefix search

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

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-638 A New Lothrop MI NLTHMIXJDS0  0671 BRIGHTSPEED OF CENTRAL MICHIGAN, INC 340      
810-638 0 New Lothrop MI DTRTMIBLX4Y  991E BANDWIDTH.COM CLEC, LLC - MI 340   2022-03-11   
810-638 1 New Lothrop MI SFLDMIMKEMD  490J BOOST SUBSCRIBERCO L.L.C. 340   2023-08-22   
810-638 2 New Lothrop MI NLTHMIXJDS0  0671 BRIGHTSPEED OF CENTRAL MICHIGAN, INC 340      
810-638 3 New Lothrop MI   145J TERRA NOVA TELECOM INC. 340   2025-07-10   
810-638 4 New Lothrop MI FETPMIAU3MD  792K CHARTER IP ENABLED SERVICES, LLC 340   2023-07-23   
810-638 5 New Lothrop MI NLTHMIXJDS0  0671 BRIGHTSPEED OF CENTRAL MICHIGAN, INC 340      
810-638 7 New Lothrop MI NLTHMIXJDS0  0671 BRIGHTSPEED OF CENTRAL MICHIGAN, INC 340      
810-638 8 New Lothrop MI   046L CLEAR RATE COMMUNICATIONS, LLC 340   2010-06-12   
810-638 9 New Lothrop MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-03-23   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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