Mail processing requirements, procedures and instructions are listed below, sorted by mail type. Rates and prices for mail services can be found on the Processing Rates page.
Note: Changes to postal rates scheduled for April 2015 have been delayed. For more details on this delay, see the Processing Rates page.
With Metered Reply Mail, meter stamps may be used to prepay reply postage on first class letters, flats and postcards that do not exceed 12-ounces under the following conditions:
Permit Mail uses an indicia for first and third class mail, and standard (bulk) mail. Permit mail is processed quickly because it does not have to be metered or cancelled at the Post Office. Requirements for permit mail are as follows:
Registered Mail offers the highest level of security. First, second and third class mail may be registered. Fourth class (parcel post) may also be registered if it is sealed and mailed at the first class rate. Registration fees are in addition to normal postage fees. Rates are:
Certified Mail provides the sender with a mailing receipt (proof of mailing) from the United States Postal Service. A record of delivery is maintained at the addressee's post office for six months. Certified mail can only be used with first class mail. The fee, in addition to postage, is $2.80 per item.
Insured Mail provides coverage against loss or damage. It is available for domestic mail only. Rates are as follows:
Priority Mail is First-Class Mail that weighs over 13 ounces. All matter that is mailable by air can be mailed as Priority Mail. All Priority Mail must be endorsed as Priority Mail. Some things must be mailed as Priority Mail (or First-Class Mail), regardless of weight, including:
Express Mail provides guaranteed next day and second day delivery within the United States.
Note: For any item in these categories weighing over 10 pounds please call us at 651-296-6801.
What you can send:
Content is limited to books, sound recordings, academic theses, and certain other items. Library Mail cannot contain advertising except for incidental announcements of books. Each piece must show in the address or return address the name of a school or a nonprofit organization.
What you can send:
Media Mail can not contain advertising except for incidental announcements of books.
Use Parcel Post for small and large packages, thick envelopes and tubes containing gifts and merchandise, or printed matter that does not qualify as Media or Library mail.