Find the ZIP code of an exact address by visiting USPS.com and clicking on the Look Up a ZIP Code button under the Quick Tools main menu option. On this page, enter in the street address and unit or apartment number along with the city and state in which the address exists.How do I Know my ZIP code?
Find the zip or postal code of any address in the world. Click a point to find zip or postal code is closest to that point. The tool will also find other parts of the address which you can use if needed.