Michigan ZIP code map with counties clearly illustrates postal code boundaries across both the Upper and Lower Peninsulas. It highlights county divisions, major cities, neighboring states, and surrounding Great Lakes, including Lake Michigan, Lake Superior, Lake Huron, and Lake Erie. Designed for geographic reference, logistics planning, market analysis, and educational use, the map helps users understand the spatial distribution of ZIP codes within each county. Distinct colors improve readability, while precise boundary lines support accurate location identification. Ideal for researchers, businesses, cartographers, and students, this map provides a comprehensive visual overview of Michigan’s postal and administrative geography.