Maryland ZIP Code Map
Published by MapSherpa at 1:330,000 scale, with postal zones overlaid on a road map base. The base carries municipality and county boundaries, major road network features including I-95, I-270, and US-50 across the state, and state and national parks and conservation areas from Assateague Island through Catoctin Mountain and Deep Creek Lake. Covers the full state from the West Virginia and Pennsylvania borders east to the Delaware and Atlantic Coast.
Used for statewide delivery routing, field service planning, and sales territory work covering both the Baltimore-DC corridor and the rural Eastern Shore.
Available from Map Shop.

