Make sure addresses and zip codes are valid before you pay for postage. Reduce undeliverable mail and save money at the same time.

Available Address Verification Services

CorrectAddress from Intelligent Search Technology is a CASS-certified, address standardization and validation tool that compares U.S. addresses against current U.S. Postal Service data. It processes address information, and adds ZIP+4, barcoding, county, LOT, and carrier route information in a standardized format. Correct addresses in Microsoft® Office Word, Excel®, Outlook®, and Publisher. It also allows users to print US Postal Form PS-3553, which may qualify users to receive postal discounts.

Learn more about CorrectAddress.*

Stamps.com allows you to verify any address against the U.S. Postal Service's database. You can also print U.S. Postal Service-approved postage right from within Microsoft Word or Outlook, calculate and print postage for any letter or package, and more. Try Stamps.com with a 4-week no risk trial and get a free special offer ($80 value) that includes a free scale, free supplies kit and $25 free postage.

Learn more about Stamps.com.*

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