Postal Regulations on Postcards
You cannot write on a card of any size and expect the United States Postal Service to deliver your odd-sized postcard to the intended destination. All types of mail, including postcards, must adhere to United States Postal Service size and other standards.
Other People Are Reading
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Postcard
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A postcard dispenses with the envelope. Anyone can read a postcard message. Postcards are used for quick messages, invitations and promotions. A regular postcard is rectangular in shape. The regular postcard needs to be of a heavier weight than regular paper and at least 0.007 inches in thickness. A regular postcard measures 3½ inches high and 5 inches wide. However, a postcard can also measure to 4¼ inches high and 6 inches wide with a thickness of 0.016 inches. These are sent for 28 cents as of October, 2010.
Letter Size
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If a postcard is larger than U.S. Postal Service regulation size, the postcard will be considered a letter and be assessed the same postage as a regular letter. Even under this category your postcard must not be larger than 6 1/8 inches high and 11 1/2 inches wide and a quarter-inch thick.
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Attachments
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If you attach something to your postcard such as a magnet or sticker, you may disqualify it for postcard rates. You may even be unable to mail the postcard at all. If you wish to add something unusual to your postcard, first check with your local post office for current regulations.
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References
- Photo Credit antique postcard image by Aaron Kohr from Fotolia.com
