Find ZIP+4 for an Address

Look up and find the ZIP+4 for a single address — or thousands or millions of addresses all at once

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.

Please enter an address in the US or Canada

Do you want to append additional data?

Read more about data appends »
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Pay-As-You-Go Pricing Calculator

Please note, this pricing only applies to our standard product, and not our HIPAA/HITECH-compliant Enterprise product.
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USPS Data Appends

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

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

Complete guide to ZIP codes

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