Zip Code Finder is a handy tool to do USA Zip Code / Area Code search, and USA address verification(verify a U. S. Postal delivery address, find inaccurate or missing elements in an address, and get the ZIP + 4 Code). Features: Zip Code demographic information. Zip codes of a city. Address verify, find inaccurate or missing elements in an address, and get the ZIP + 4 Code.