Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Sixty Lakes, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-237 A SGNWMIACLMD  4632 TELNET WORLDWIDE, INC. 344      
989-257 A SXLSMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-257 0 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2018-10-20   
989-257 1 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2014-12-29   
989-257 2 SXLSMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-257 3 SXLSMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-257 4 SXLSMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-257 5 SXLSMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-257 6 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2020-09-07   
989-257 7 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-05-06   
989-257 8 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2020-05-11   
989-257 9 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2020-09-07   
989-788 A SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-788 2 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-04-22   
989-788 3 SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-788 6 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-03-11   
989-788 7 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-03-11   
989-788 8 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-03-11   
989-788 9 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-08-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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