Domestic Mail Services & Classes
There are three major types of domestic mail:
| Class |
Estimated Delivery |
Description |
| Express Mail® |
Next day |
- Fastest service for time-sensitive letters and documents
- Next-day delivery is guaranteed by noon or 3 p.m. to many U.S. destinations or postage is refunded
- Available 365 days a year for most locations, with no additional charge for weekends and holidays
- Insured automatically up to $100 against loss or damage
|
| Priority Mail® |
2-3 days |
- Delivery to all U.S. addresses
- No additional charge for Saturday and residential delivery
- No additional charge for Delivery Confirmation when printing an online shipping label
|
| First-Class Mail® |
Variable |
- Most immediate and inexpensive method
- 13 ounces and under
- Postcards, letters, and large envelopes
|
For a full description of available Domestic mailing services, see the USPS A Customer's Guide to Mailing.
Information on Domestic rates is available on the USPS web site.