07/16/2026
What are rate changes?
Rate changes are regular adjustments to shipping and mailing prices, implemented by the carrier in response to factors such as fuel cost fluctuations, inflation, and operational enhancements. These adjustments, often referred to as rate changes or rate adjustments, are designed to keep carriers competitive, maintain their financial stability, and ensure they continue providing reliable services to customers.
USPS 2026 rate changes affect Ground Advantage™, Priority Mail® & more. Learn how Stamps.com helps you ship smarter and save.