A Certificate of Mailing costs $2.45 in 2026
A Certificate of Mailing is a receipt that proves you mailed an item on a certain day. USPS charges $2.45 per item using PS Form 3817. If you list 3 or more items on a firm mailing sheet, each costs $0.75. It does not track the item or prove delivery.

Certificate of Mailing fees from USPS
| Individual item, PS Form 3817 | $2.45 |
|---|---|
| Firm mailing sheet, per item listed (minimum 3) | $0.75 |
| Bulk mailing, first 1,000 pieces | $14.00 |
| Bulk mailing, each extra 1,000 pieces | $1.75 |
| Extra copy of the form, per page | $2.45 |
This proves mailing only. For proof of delivery, use Certified Mail. Source: USPS Notice 123, Price List, effective July 12, 2026 (Postal Explorer).
What changes your price
- How many items. One item is $2.45. Three or more on a sheet are $0.75 each.
- What you need to prove. It shows you mailed it, not that it arrived.
Ways to pay less
- Mail several items at once on a firm mailing sheet to pay $0.75 each.
- If you need proof it arrived, Certified Mail ($5.55) is the right service.
How we got these numbers
USPS sets one national price for certificate of mailing. Every price on this page comes from USPS Notice 123, the official price list the Postal Service publishes. The prices we use took effect on July 12, 2026. Where we show a total, we simply add up the separate USPS fees, so you can see what one item costs all in. We do not add our own guesses or use a calculator, because USPS sets these fees and they are the same at every Post Office. USPS changes its prices from time to time, so check the price at the counter if your visit is far from September 26, 2026, the day we last checked.
Common questions
How much is a Certificate of Mailing?
$2.45 per item on PS Form 3817.
Does it prove delivery?
No. It only proves you mailed the item.
Is it cheaper for many items?
Yes. On a firm mailing sheet with 3 or more items, each is $0.75.