Anything heavier must be mailed as Parcel Post or Priority Mail. The following qualify for Standard Mail: CircularsĮach piece of Standard Mail must be less than 16 ounces.

Priority Mail service carries no guarantee and is advertized by the USPS as a 2-day delivery service. If you are not sure if it is First Class, ask us!Īll First Class Mail exceeding 13 ounces and not exceeding 70 pounds is considered priority mail and, at the option of the mailer, any mail weighing 13 ounces or less.Contact Mail Services for additional information. A computer printout may or may not be First Class matter.Blank printed forms filled out in writing, including cancelled or uncancelled checks.Price lists with written-in figures changing items or prices.Bills and statements of account, regardless of method of preparation or quantity of identical pieces mailed, except authorized enclosures in or attachments to Periodical or Standard mail.Matter sealed and closed against postal inspection.Matter wholly or partially handwritten or type-written (including identical copies prepared by automatic type writer), originals or carbons, invoices, (except when accompanying the matter to which they are related), postal cards, post cards.The following examples are considered First Class matter and must carry postage at First Class or Priority Mail rates. Any mailable matter may be mailed as First Class Mail.

First class mail postage