Dodgeville, MI

ZIP code 49921 covers Dollar Bay and Tamarack City in Houghton County’s Keweenaw Peninsula, on the south shore of Portage Lake. Its principal natural landmark is Dollar Bay, an inlet of the lake. The area’s copper-mining history is visible in former mine sites, while Dollar Bay-Tamarack City Area Schools is a key local civic landmark. US 41 links the communities with other Copper Country towns.