Postage Rates 2024 Usps Calculator. Stay ahead with our postage rates guide. See delivery times and how much postage or how many global forever stamps you need for a letter or postcard.
— the new rates apply to retail and commercial prices for priority mail ®, and usps ground advantage™ and priority mail express packages from october 6, 2024,. Use our usps postage calculator to get postage rate estimates for your packages.