Developer's DescriptionBy Games DS MasterUS Zip Codes lookup offline android app allows you to find a postal code with in the USA. It is quick and fast.US Zip Codes lookup offline android app allows you to find a postal code with in the USA. It is quick and fast.You can search zip code information by below three methods :- Find an USA zip code by city name.- Find a city by zip code.- Find zip code by state, county, city.Download application now for free and zip code search from full United States of America. It works as a postcode finder.