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. Pontchartrain Home Center is the best choice for your mobile and modular home purchase in the Hammond area.