USPS for resellers
Everything on this site about mailing what you sell with the Postal Service: 22 pages on what postage costs, what each service accepts and what happens after the label prints. Prices come from the current USPS Notice 123 price list and rules from the Domestic Mail Manual, Publication 52 and the International Mail Manual, each quoted with its section and the date we checked it.
USPS prices last verified Oct 19, 2026. USPS is the authority on its own prices and rules; every page links the USPS source so you can check it.
What postage costs
Current USPS prices from the Notice 123 price list, with the edition date on every table.
- USPS shipping cost by weight
One chart of USPS postage by weight, with a page for each weight from 8 oz to 70 lb.
- Media Mail rates
The full book-rate chart by the pound, 1 lb to 70 lb.
- Ground Advantage rates
Commercial and retail, 4 oz to 70 lb, Zones 1-9, holiday prices included.
- Priority Mail prices
Retail and commercial prices by weight and zone.
- Priority Mail Flat Rate
Every envelope and box, retail and online.
- Ground Advantage Cubic
How cubic tiers work and what each tier costs by zone.
- USPS stamp prices
The Forever stamp, postcard and other stamp prices, with the Forever stamp since 2007.
- USPS holiday prices 2026
The temporary holiday prices, the dates they run and how much more each label costs.
- USPS price change 2027
What is known about the January 2027 price change and what it would mean per sale.
- USPS price-change calendar
Every USPS price change since 2009 with its regulator docket.
- USPS price history
Dated price histories for stamps, Media Mail and packages, in CSV and JSON.
What you can send, and how
Rules from the Domestic Mail Manual and USPS Publication 52, quoted with the section number.
- Media Mail: what qualifies
One question per page: comics, games, vinyl, binders, notes inside books.
- Package rules sellers trip on
Size and weight limits, nonstandard fees, batteries, perfume and aerosols.
After the label: delivery times, tracking and claims
What USPS says about how long each service takes, the last days to ship before Christmas, the days USPS does not deliver, what each tracking scan means and insurance claims and refunds.
- USPS delivery times
The published day ranges for each service and what slows them down.
- Tracking statuses explained
What each scan means in USPS words, and when to act.
- Claims, refunds and extra services
Insurance claims, unused-label refunds, signature, Certified Mail, Package Intercept.
- USPS holidays 2026-2027
The days USPS does not deliver regular mail.
- Holiday shipping deadlines 2026
The last days to ship for delivery before Christmas, by service.
Shipping outside the US
From the USPS International Mail Manual country listings.
- Shipping to other countries
Country by country: prohibitions, customs forms, weight limits and prices.
- Customs charges and duty invoices
When USPS bills the sender for duties a buyer abroad didn't pay (IMM 424), and where prepaying is required.
Tools
Free, no sign-in.
- Postage calculator
Media Mail, Ground Advantage and Priority Mail at retail and commercial prices for one package, by weight, zone and box size.
- Printable shipping cheat sheet
One page of the prices and limits you look up most.
Free 1-page Reseller Cheat Sheet: fees on 8 platforms, Media Mail and stamp prices
What each platform takes from a $10, $25 and $50 sale, Media Mail 1-10 lb, Ground Advantage to Zones 1, 5 and 8, and the Forever stamp, on one printable page. The link appears as soon as you sign up.