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

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

I want to recycle a box rather than pay 5 bucks for a new one and kill another tree, but it's a Priority mail box. Is it OK to UPS something in it? I remember USPS being all nasty about protecting ...