There is a tool on the web site of brochure USPS

All you need to do is chose a mailing route and the post office will make sure that your mail pieces are delivered to the right places. There is a tool on the web site of brochure USPS where you can easily track down different mailing routes, calculate how many households are there in one mailing route and therefore see how much this marketing strategy will cost you in the end. USPS EDDM solutions..