Home to Southeastern Louisiana University – Hammond is the largest city in Tangipahoa Parish with a population of 20,000+. Hammond’s zip codes are 70401, 70402, 70403, and 70404. We are currently serving the Hammond and Tangipahoa area with all of your mobile home needs. We offer a variety of new and used mobile homes, as well as modular homes to fit your style. I-55 Home Center is the best choice for your mobile and modular home purchase in the Hammond area.