- Mail Classification and Standards. The cost of mailing varies with each classification.
- Oversize/Underweight Mail.
- First Class Mail.
- Priority Mail.
- Third Class Mail.
- Fourth Class Mail/Parcel Post.
- Accountable Mail.
- Express Mail.
What are the five classes of mail?
They are Global Express Guaranteed (GXG) service, Priority Mail Express International service, Priority Mail International service, First-Class Mail International service, and First-Class Package International Service.1 Jul 2021
What is considered 3rd class mail?
Third class mail, referred to by the United States Postal Service as Standard Mail, is a type of mail used by companies to send bulk mail to people throughout the country. The US Postal Service requires the company to perform some of the preparing and sorting of bulk mail in return for a reduced mailing rate.26 Sept 2017
What is First-Class Mail? First Class Mail is the most common and affordable way to send envelopes and lightweight packages. Anything you send to customers, including bills, invoices, correspondences and merchandise can be sent via First-Class, as long as your letters weigh less than 3.5 ounces.16 Dec 2020
What class of mail is a letter?
First-class mail
What type of mail is a letter?
First-Class Mail in the U.S. includes postcards, letters, large envelopes (flats), and small packages, providing each piece weighs 13 ounces (370 g) or less.