The standard postcard size is 4” x 6” or 5 x 7”. (For marketing purposes, there's a real advantag...

The standard postcard size in the US is 5.8 x 4.2 inches, which is the equivalent of A6 and is br...

A: For flat standard postcards, available sizes are as follows: 4" x 6", 4.25" x 6", 5" x 7", 5.5...

Q: What are the postcard sizes that can be mailed in bulk and those that comply with the mailing ...

Although the general consensus is that the dimensions of an international standard postcard are A...

Standard flat postcards come in the following sizes: 4.25” x 5.5”, 4” x 6”, 4.25” x 6”, 5” x 7”, ...