The standard postcard size ranges from 3.5" x 5" to 6.125" x 11.5". Any sizes that will not fit within this range will not be processed by the Post Office.
Vistaprint bulk mailing offer the following sizes of postcards: Standard - 139mm by 107mm and large 216mm by 139mm . Prices start from ǣ5.99 for 10 standard and ǣ7.99 for large.
Postcards come in many sizes, depending on the country and the design. However, most postcards are 5"x7". However, postcards can be as small as 4"x6", or as large ad 6"x11", and still be considered "standard". Novelty postcards can be made in any size and shape.
The standard size for a postcard is 4x6" and the biggest size is 6x11". I am not sure if there are postcards smaller than the 4x6".
If worried about the size of your postcard, a standard postcard is measured 4 by 6 inches. Postcards can actually be any size so they can be different in any country.
It is not recommended to address a postcard sideways as this can delay delivery or cause the postcard to be sent back to you. It is best to address the postcard in the standard orientation with the recipient's address on the right side and your message on the left side.
A standard 3.25 by six inch postcard requires 27 cents in postage.
A postcard typically weighs around 6 grams, which is very light. 6 kilograms is significantly heavier and unlikely for a standard postcard.
The average weight of a standard postcard is around 5 grams.
Yes, they will but you need to put the standard USPS postcard postage rate on the item.
Postcards are at least 3½ inches high × 5 inches long and no more than 4¼ inches high × 6 inches long. Postcards have different sizes. Sizes differ depending on how they are used. There's a very helpful article from uprinting postcard sizes that can help you understand each size and it's purpose.
The standard size postcard is 4" X 6".