AT&T has expanded its 4G LTE network to parts of Portage County, Ohio including Atwater, Garrettsville, Hiram, Mogadore, Randolph and Rootstown. The expansion will provide residents and businesses with faster internet speeds on mobile devices. AT&T's 4G LTE network is the fastest and most reliable nationwide according to independent tests. The network upgrade is part of AT&T's ongoing investment in infrastructure and will benefit the local economy.