This is for all of those who have gotten caught out there with a printed piece that couldn’t go through the mail and the designers who stay awake at night wondering if they left enough room for the barcode.

Below are downloadable PDFs of common sizes of pieces that you might need to mail. Complete with “off limits” areas, designated return address and indicia areas and sizes to accommodate bleeds.

4.25” x 5.5” postcard
4” x 6” postcard
5.5” x 8.5” postcard
5” x 7” postcard
6” x 9” postcard
6” x 11” postcard
8.5” x 11” half fold mailer
8.5” x 11” tri-fold mailer
8.5” x 14” half fold mailer
8.5” x 14” tri-fold mailer
11” x 17” half fold mailer
11” x 17” half-then-half mailer
11” x 17” tri-fold mailer

Helpful Resources

Postal Explorer
http://pe.usps.gov/

Ribbs
http://www.ribbs.usps.gov/index.html

Zip4 lookup
http://zip4.usps.com/zip4/welcome.jsp