You can buy a copy of the Orleans Zoning By-Laws at the Town Hall in the Planning Department or at the Town Clerk's Office for a cost of $20, which includes an 8 1/2-inch by 11-inch copy of the Orleans Zoning Map. If you want to buy a large 34-inch by 44-inch sized zoning map, the cost is $20 and can be ordered through the Planning Department.
You can also find the information online at General Code Publishers. Search for Chapter 164 to find the appropriate section.