According to the USPS, the changes will take effect on Jan. 18, 2026. Priority Mail Service prices will increase by around ...

A four-ounce package sent via USPS Ground Advantage will rise 21% from $4.20 to $5.09 starting January 18, 2026, part of ...

USPS stamp prices stay flat, but shipping costs rise in 2026. See how much more you’ll pay for Priority Mail and other services.

This is noteworthy because the Postal Service hiked stamp prices in five consecutive Januarys from 2020 to 2024.

The United States Postal Service is temporarily changing its prices for the holiday season. The agency stated that the price adjustments are being implemented to help cover additional handling costs ...

What is new at the post office in 2026? Here's what to know about Postal Service changes in postmark process, postage stamps ...