Find ZIP+4 for an Address

Use the tool below to find the ZIP+4 for a single address and the calculator below to see how much your full list of addresses would cost.

Find the ZIP+4 for an address. No signup required.

One-click add a variety of USPS data appends to a list of addresses

Use our API to integrate ZIP+4 appends into an app in real time, for batches, or bulk process CSVs

Learn what ZIP codes are, how to find your ZIP code, and use Geocodio's lookup tools for accurate address data.