Coverage Area Primarily, our coverage area for internet service is limited inside of the county of Lapeer and smaller surrounding areas. Other services, like networks, computer repair and security installations do not have a coverage area limit. Useful Links About Us Support Managed Services Service PlansFeedback Address Northern Broadband LLC 4011 Huron St. P.O. Box 702 North Branch, MI 48461 FOLLOW US Follow Contact Us © Copyright 2018. Northern Broadband. All Rights Reserved.