In addition to utilizing presort and commingling mailing strategies, there are some other ways to decrease your postage expense. All of these strategies are decisions to be made prior to printing your mail pieces.


Do you have some First Class letters you could convert to post cards? Do you have oversized post cards mailing at letter rates you can redesign and make smaller? If so, you could save between 13 and 17 cents per mail piece!

Post Card Dimensions Minimum Maximum
Length 5 inches 6 inches
Height 3 1/2 inches 4 1/4 inches
Thickness 0.007 inch 0.016 inch

The chart notes the minimum and maximum dimensions for a post card. When redesigning a mail piece, please consult your customer service representative and one of our CMS Certified Mail Design Professionals (MDP) will help you ensure it meets automation requirements for maximum savings!


Letter Dimensions

Minimum Maximum
Length 5 inches 11 1/2 inches
Height 3 1/2 inches 6 1/8 inches
Thickness 0.007 inch 1/4 inch

One way to save between 22 and 78 cents per mail piece is to fold your thinner flats in half using a 6×9 envelope. When doing so, make sure the thickness of your mail piece does not exceed ¼”. If it is greater than ¼” thick, the mail piece is still a flat. Please refer to the chart for the minimum and maximum dimensions for a letter. When converting to a letter, keep in mind that your mail piece may now be eligible for automation discounts, for the greatest savings potential!


Do you have a mailing that is non-personal, like a privacy notice or general message that needs to be commutated to a large group that does not contain any specific personal or account information? If you do, think about using Standard Class mail. Standard Class Postage Rates are about 15 cents less than First Class Postage Rates. When mailing Standard Class, please build additional time into your mailing to account for the slower USPS Delivery Standards for Standard Class mail (typically 5-15 days, depending upon destination).

Visit USPS to check if your mailing content is eligible for Standard Class Rates.