PrintingCenterUSA will automatically remove International Addresses unless specifically requested in the notes section during checkout. If your direct mail list includes international addresses that you cannot remove yourself, then utilize the “notes” section during the ordering process to tell us that you do not want them removed. Extra postage will be charged for International shipping.
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Your return address should always be either on the top left corner of the product, or the top left corner of the mailing panel. If you put your return address anywhere else, it could be accidentally used as your mailing address during scanning. A return address is required for first class mailing.
All letter class mail must be mailed in landscape orientation. Flat sized mail can be done either landscape or portrait, but portrait is the most commonly used orientation.

5.5 x 8.5 booklets qualify as Letter-Class. The mailing panel (delivery address) must be set up so the spine is on the bottom. Or, for landscape booklets, the spine must be on the leading edge (right hand side). Please refer to our free downloadable mailing templates here.
8.5 x 11 Multi-Page products qualify as Flat-Class. The mailing panel (delivery address) can be anywhere in the top half of the piece. Please refer to our free downloadable mailing templates here.
It is best to utilize our free downloadable mailing templates for postcards. To find a template, click here.
On the back middle panel, orient your mailing information where the fold is on the bottom and the opening is on top. Please refer to our free downloadable mailing templates here.
For products over 6” x 11” (or Flat Class Mail) your mailing panel must be within the top half of your product and be large enough to accommodate the address and intelligent-mail barcode. Avoid putting any text near the address area that could be misread as address data. Please refer to our free downloadable mailing templates here.
The minimum size is 3.5 inches wide, but PrintingCenterUSA prefers recommends 3.75 inches so we can easily fit an intelligent-mail barcode. For example: