Machinable Announcement Envelopes are an ideal solution for businesses and organizations looking to mail invitations, notices, statements, or marketing pieces at lower USPS postage rates. Designed to meet postal automation requirements, these envelopes move smoothly through high-speed mail processing equipment — helping reduce mailing costs and improve delivery efficiency.

Unlike traditional square or oversized announcement envelopes, machinable A-style envelopes maintain a professional appearance while qualifying for standard machinable mail rates, making them a smart choice for cost-conscious direct mail campaigns.

Available Machinable Announcement Envelope Sizes

We offer USPS-compliant machinable announcement envelopes in the following popular sizes:

• A6 – Common for postcards, invitations, and notices

• A7 – Ideal for announcements, statements, and short letters

• A8 – Frequently used for greeting cards and marketing inserts

• A9 – Great for multi-page letters or heavier enclosures

• A10 – Suitable for larger announcements and folded documents

Each size is selected to balance presentation with postal automation compatibility, helping you mail efficiently while maintaining a polished look.

Cost Savings That Add Up

Choosing machinable announcement envelopes can significantly lower mailing expenses by:

• Qualifying for lower USPS machinable postage rates

• Reducing manual handling and non-machinable surcharges

• Allowing for faster processing and delivery

• Supporting bulk and presorted mail discounts

For high-volume mailings, these savings can add up quickly — making machinable envelopes an excellent option for recurring mail, campaigns, and operational mailings.

Important Insert Clearance Guidelines

To ensure smooth machine inserting and USPS compliance, proper enclosure clearance is critical.

• Allow at least 3/4″ of clearance between the insert and the envelope size

• The more inserts included, the more clearance required

• Tight fits increase the risk of jams, misfeeds, and hand inserting

• Proper clearance improves insertion speed and reduces production costs

Planning for adequate insert clearance helps maintain machinability, protects your materials, and keeps your mailing on schedule.

Why Choose Machinable Announcement Envelopes?

• USPS-compliant for automated processing

• Lower postage costs compared to non-machinable envelopes

• Professional presentation without premium mailing fees

• Compatible with high-speed inserting equipment

• Ideal for direct mail, notices, invitations, and statements