no, index card are a bit smaller than post card
The online store Bulk Office Supply sells index cards at really cheap prices. The store also has many different size and color index cards to choose from available.
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.
In order to put 42 index cards by size you have to put the smallest index card first then you put the next one and the next one and so on and so forth.........
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".
it depends, there not all the same size.
The postage for a postcard is valued at $0.33 as of 2014. This can vary depending on the size of the postcard and may change as the Postal Service changes its rates.
No, there are multiple sizes:FullMiniMicroNanoEmbedded
The layout of a postcard must follow specific USPS guidelines. These guidelines include size, zones that designate where the sender's address goes, and proper layout.
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.
1 inch and a one tenth
The card numbers are used by the US Playing Card company to determine brand, size specification, and face index. They are on Jokers but are better indicated with the Ace of Spades. 808 means standard index poker size. 88 means jumbo index poker size. Other numbers include: 404 means standard index miniature size. 48 indicating a standard index Pinochle deck. (Jokers are not in this deck) 8082 is used for the novelty Big Bicycle deck. There is also 92, which is used to identify Bee cards.
The standard size of an index card is 3 X 5.