Us post office bulk mailing guidelines

The United States Postal Service (USPS) has specific guidelines for bulk mailings to ensure efficient and cost-effective processing. Here are some key guidelines to follow:

Eligibility:

• Bulk mailings must be sent to at least 200 addresses.
• The mailpieces must be identical in weight, size, and shape.
• The mailpieces must be addressed to a specific geographic area or demographic group.

Preparation:

• Sort and bundle mailpieces by zip code or carrier route.
• Use a consistent addressing format and font.
• Use a clear and legible return address.
• Use a USPS-approved barcode font (such as Code 128 or Intelligent Mail Barcode).
• Use a USPS-approved mailpiece design (such as a standard envelope or a USPS-approved mailpiece template).

Weight and Size:

• Mailpieces must weigh no more than 3.5 ounces.
• Mailpieces must be no larger than 11.5 inches long, 6.125 inches wide, and 0.25 inches thick.

Mailing Lists:

• Use a USPS-approved mailing list format (such as a CSV or Excel file).
• Ensure the mailing list is accurate and up-to-date.
• Use a USPS-approved list rental service (such as the USPS's National Change of Address database).

Postage:

• Use the correct postage for the weight and size of the mailpiece.
• Use a USPS-approved postage meter or permit imprint.
• Ensure the postage is affixed correctly and securely.

Delivery:

• Use a USPS-approved delivery method (such as First-Class Mail, Standard Mail, or Periodicals).
• Ensure the mailpieces are delivered to the correct address and zip code.
• Use a USPS-approved tracking system (such as USPS Tracking or Certified Mail) to track the delivery of the mailpieces.

Reporting:

• Report the bulk mailing to the USPS using Form 3541 (Bulk Mail Report).
• Provide the USPS with a detailed report of the mailing, including the number of mailpieces, weight, and postage.

Additional Requirements:

• Comply with USPS regulations regarding mailpiece content, such as advertising and promotional materials.
• Comply with USPS regulations regarding mailpiece size and shape, such as avoiding oversized or irregularly shaped mailpieces.
• Comply with USPS regulations regarding mailpiece labeling, such as avoiding misleading or deceptive labeling.

Penalties:

• Failure to comply with USPS guidelines and regulations may result in penalties, including fines and suspension of mailing privileges.

It's recommended that you consult the USPS's official guidelines and regulations for bulk mailings, as well as seek guidance from a USPS representative or a mailing services provider, to ensure compliance with all applicable rules and regulations.