I got this in my emails this morning from Supply Chain Dive –
" USPS announces 6% rate increase for 2026 peak season"
https://www.supplychaindive.com/news/usps-announces-6-rate-increase-for-2026-peak-season/828763/
Here is the excel sheet with the peak season prices
Ground Advantage Commercial less than 1lb only shows the rural charges but this at least gives a little insight into what to expect.
