Us Postage Letter Size. What's the date you plan to mail the item? Letter size dimensions regular delivery timetable (incl gst) small letter or postcard:
What's the date you plan to mail the item? The maximum size of a letter is 6 1/8 inches by 11 1/2 inches. A larger letter can still be mailed but is classified as a large envelope, which has a higher postage rate.
The size and address placement determine the shape.
The size and address placement determine the shape. The us flats postage rate is for large envelopes, as used when sending a document of letter or legal size or a magazine through the post. Customers can be unpleasantly surprised that they must pay extra postage when, for example, they mail a square greeting card. 245mm x 156mm x 5mm: