Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Sand Lake Heights, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-238 A SGNWMIACLMD  4632 TELNET WORLDWIDE, INC. 344      
989-469 A SLKHMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-469 0 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2018-10-20   
989-469 1 SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2012-10-05   
989-469 2 SLKHMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-469 3 SLKHMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-469 4 SLKHMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-469 5 SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-469 6 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-03-27   
989-469 7 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-05-06   
989-469 8 SGNWMIACEMD  516J TON80 COMMUNICATIONS, LLC 344   2021-06-26   

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

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