Usps first class mail letter machinable

A very specific question!

According to the United States Postal Service (USPS), a "Machinable" First-Class Mail letter is a type of mailpiece that meets specific requirements to be processed by automated machinery.

Here are the key requirements for a Machinable First-Class Mail letter:

  1. Size: The letter must be rectangular in shape and have a maximum size of 11.5 inches long, 6.125 inches high, and 0.25 inches thick.
  2. Weight: The letter must weigh 1 ounce or less.
  3. Shape: The letter must have a flat, rectangular shape with a maximum thickness of 0.25 inches.
  4. Perforations: The letter must have perforations on at least two opposite sides, with a minimum perforation size of 0.5 inches.
  5. Adhesive: The letter must have a self-adhesive closure or a gummed flap that is at least 0.5 inches wide.
  6. Addressing: The letter must have a complete and legible address, including the recipient's name, street address or post office box, city, state, and ZIP Code.

If your letter meets these requirements, it can be considered Machinable and will be processed by automated machinery at the USPS. This can help reduce processing time and costs.

Keep in mind that if your letter does not meet these requirements, it may still be accepted for First-Class Mail, but it will be processed manually, which may take longer and cost more.