It’s confusing for a marketer to choose the right sized postcard for a USPS Every Door Direct Mail campaign. We’ve put together this primer on the EDDM size guidelines to make it easier to pick a standard postcard size for your upcoming EDDM campaigns.
A mail piece’s dimensions and weight can affect a campaign’s class of mail and postage rates. The United States Postal Service’s Domestic Mail Manual is over 1,300 pages long and isn’t necessarily an enjoyable read. Following these notes regarding EDDM size guidelines will make sure you’re not caught by surprise at the post office.
The USPS requirements state that postcards mailed through Every Door Direct Mail need to meet the following guidelines:
Postcards that do not fit within these guidelines are not eligible for EDDM rates.
Fun Fact: You can skip the first guideline for EDDM Retail if the mail piece is larger than ¼ thick. It still must meet the requirements for maximum size, weight, and thickness. This is an interesting postal hack that we haven’t seen a marketer use before. A direct mailer could potentially bulk mail floor samples or blocks of gold to everyone on a carrier route. Let us know if you want to try, and we’ll partner with you on a test!
More than a hundred million postcards are sent through Grow Mail’s EDDM Map Tool annually. We’ve used anonymized data from the postcard marketing campaign to identify the three most popular EDDM sizes:
Size Doesn’t Matter for EDDM Retail Rates
Popular
EDDM Sizes
