From Post Office: Buying Mailing List

: For a fee (roughly $0.34 per name), the USPS will correct your occupant list.

: Your mailer is addressed to generic labels like "Local Postal Customer". buying mailing list from post office

Technically, the for sale to the public. However, they provide tools that allow you to target households without needing a specific list, as well as services to clean your existing lists. 1. The "No List" Alternative: Every Door Direct Mail (EDDM) : For a fee (roughly $0