How many stamps do you need to mail a card from Washington to Arkansas?

If the card is less than one ounce (oz) it will cost first class postage of 44 cents. You can use a Liberty Bell Forever stamp. This stamp has no denomination on it because once you buy it for current first class postage rate, you can use it anytime regardless if the postage rate increases.

There are other options you can put on the card as well such as receipt confirmation, insurance, etc... These cost extra then the postage rate.

If your card weighs more than one ounce then look up the rates on the US Postal service web site for more information.