The single most useful fact about USPS pricing is that almost every service has two prices: what you pay at a counter, and what you pay through a commercial account.
The gap is not trivial.
| Class | Speed | Retail | Commercial |
|---|---|---|---|
| Priority Mail Express | Next day to 2 days | $27.25 | $23.75 |
| Priority Mail | 1–3 business days | $9.00 | $7.62 |
| First-Class Package | 2–5 business days | $4.80 | $3.62 |
| Media Mail | 2–8 business days | $3.49 | $2.17 |
| First-Class Mail | 1–5 business days | $0.60 | $0.455 |
| USPS Retail Ground | 2–5 business days | $8.80 | — |
Media Mail is the widest gap — commercial pricing is well under two-thirds of retail. If you ship books or recorded media in any volume, that difference alone justifies setting up an account.
What each class is for
Priority Mail Express — the only class with a guaranteed delivery date. Includes $100 of insurance and free tracking, delivers 365 days a year to many locations, and carries up to 70 lbs. Sunday and holiday delivery available for a surcharge. It is also the most expensive thing the USPS sells.
Priority Mail — priced by zone, from Zone 1 (local) to Zone 9 (furthest). The further it goes, the more it costs — except in flat-rate packaging, where anything that fits ships for one price up to 70 lbs. For anything dense or long-distance, flat rate is usually the answer. Free boxes, envelopes and tubes, at the counter or ordered online.
First-Class Mail — 1–3 days in practice, capped at 3.5 ounces, and notably priced independently of distance. Coast to coast costs the same as across town. Postage includes forwarding and return. No tracking as standard; Certified Mail adds a record from $4.00.
Media Mail — priced by weight rather than distance, up to 70 lbs, and much cheaper than any parcel service. Slow by design, and content-restricted.
Periodicals — newspapers and magazines.
Parcel Services — the umbrella covering Bound Printed Matter, Media Mail and Library Mail.
What actually qualifies for Media Mail
The restriction is real and enforced. Eligible content:
- Books of at least 8 pages
- Films 16 mm or narrower
- Printed sheet music and test materials
- Video and audio recordings
- Scripts and manuscripts
- Printed educational reference charts, including medical flip charts
- Computer-readable media
Advertising is not eligible, which is what disqualifies most catalogues and anything with promotional inserts tucked in.
You can pay for Priority with a stamp
Less well known: there are dedicated high-denomination stamps for the flat-rate services, so you do not need a printed label or an account.
- Monument Valley — $8.95, matching the flat-rate Priority Mail envelope.
- Palace of Fine Arts — $26.95, matching the flat-rate Priority Mail Express envelope.
One stamp, exact postage, no arithmetic and no stack of Forever stamps. For anyone sending flat-rate envelopes occasionally rather than daily, this is considerably simpler than the alternatives.
Why the USPS prices the way it does
Worth knowing, because it explains the structure. The Postal Service receives no tax funding for its operations — it covers costs from postage and product sales — while carrying a universal service obligation to reach every address at a reasonable price.
That means delivering to every location in the country, including territories and to personnel overseas, at rates that do not reflect what those deliveries actually cost. It is also why private carriers hand the USPS their last-mile deliveries in rural areas: the network already goes there.
It is among the largest employers in the country, including close to 100,000 veterans.
Best deals on Forever stamps
For letters, the class is already the cheapest option and the saving is in where you buy the stamps. For parcels, the saving is in choosing the right class — and the difference there dwarfs anything you will save per stamp.
Where to buy
The USPS official store for high-denomination and flat-rate stamps, or a verified surplus channel such as Forever Stamp Center for letter postage in volume.
The short version
Commercial rates run well below retail on every parcel class — widest on Media Mail. First-Class is distance-independent and capped at 3.5 ounces. And flat-rate Priority can be paid with a single dedicated stamp, no label required.
More on buying Forever stamps
- 👉 What Comes Free With a Shipping Label
- 👉 Nine Forever Stamps or Eight Plus a Make-Up
- 👉 There Is No USPS Coupon Code. There Is Presort.
USPS professional based in New York with over 12 years of experience in postal operations. She writes about Forever Stamps, offering practical guidance on safe purchasing and mailing practices while closely following USPS policy updates.
