As of June 2014, the United States Postal Service states that the cost to send a standard sized postcard is 34 cents. At this rate, the postcard can be 6 inches long, 4 1/4 inches high and 0.16 inches thick.Know More
The USPS also includes that a large postcard is 49 cents to mail. The maximum size for this postcard is 11 1/2 inches long, 6 1/8 inches high and 1/4 inch thick. This is the same rate to mail a First Class 1 ounce letter domestically.
The rates for postage increased as of January 2014. Metered mail is 1 cent less than the retail rate for a standard postage stamp.Learn more about Postal Services
As of 2014, letters weighing 1 ounce or less that are sent to a destination within the United States cost 49 cents to send through the United States Postal Service. Postcards sent within the United States cost 34 cents to send.Full Answer >
For mail sent through the U.S. Postal Service, postcards must be at least 3.5 inches high by 5 inches long by 0.007 inch thick and no bigger than 4.5 inches high by 6 inches long by 0.016 inches thick. The standard-size British postcard is 3.5 by 5.5 inches.Full Answer >
The average size of a standard postcard is 4 inches high by 6 inches wide. In the United States, a postcard of this size can be mailed under a special First-Class rate.Full Answer >
In the United Kingdom, postal orders can be bought in various denominations, then sent through the mail or post to the payee. Postal orders look like checks, can be made out to specific payees and can be restricted so that payees can only pay them into a bank account.Full Answer >