Cellcom (officially called New-Cell Inc. dba Cellcom) is a regional wireless service provider based in De Pere, Wisconsin, with roots that date back to 1910. Cellcom began providing service from its office in Green Bay in 1987, when its parent company, Nsight, entered the wireless industry.

Cellcom offers a variety of wireless communication devices, including feature handsets, smartphones, home phones, tablets, residential and mobile broadband. Outside of its own regional network, the company partners with other regional and national carriers to provide nationwide voice and data service. Cellcom uses CDMA and 4G LTE technology. Cellcom's retail area includes northeast and central Wisconsin and Michigan's Upper Peninsula.