USPS Address Validator

Say goodbye to bad addresses and returned mail! USPS Address Validator is a free Excel add-in that instantly verifies, standardizes, and parses US mailing addresses — right from your spreadsheet.

Powered by the official USPS database, it checks your address list in seconds and returns clean, delivery-ready results without ever leaving Excel. Whether you're managing a customer database, preparing a bulk mailing, or cleaning up imported data, USPS Address Validator keeps your records accurate and your shipments on track.

Key Features:

✅ Validate addresses directly in Microsoft Excel — no copy-pasting required

📬 Standardize addresses to official USPS format (street, city, state, ZIP+4)

🔍 Parse full addresses into individual components (street number, street name, city, state, ZIP)

⚡ Bulk process entire columns of addresses at once

🆓 Completely FREE to use

Perfect for businesses, marketers, logistics teams, and anyone who relies on accurate mailing data. Stop guessing — start validating!