The United States Postal Service (USPS) has announced a new forever stamp, which is one of many new designs featured in the Postal Service’s broader 2026 stamp lineup, which includes ones honoring iconic figures, cultural milestones, historic events, wildlife, and American landmarks.

Postmark dates for mail sent through the USPS may no longer match when you mail items due to operational changes. Manual postmarks will still be available at retail locations for free.

USPS makes more changes to cut costs, improve service in 2026. Know how postmarks work to avoid late fees on bills, taxes. When do price changes start?

The postal service previously announced that priority mail would increase by 6.6 percent on January 18. Meanwhile, the priority main express service is surging 5.1 percent, ground advantage is climbing by 7.8 percent, and parcel select by 6 percent.

Here's what to know about 2026 Postal Service changes in postmark process, postage stamps and USPS shipping rates

The USPS’s mail processing rule affects people who are sending things on tight deadlines, such as tax returns or mail-in ballots. This is because a postmark could show a date days later than when the piece of mail was originally mailed, according to USA Today.