How to Use Stamps to Mail a Package

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Mailing a package through the U.S. Postal Service with stamps can be a quick process. If your package weighs more than 13 ounces, you need to take it into the post office to ship it, as per Postal Service requirements. If not, you can stamp it and drop it into a blue post office box or leave it in your mail box with the correct amount of postage. Postage is determined by weight, class and destination.

Check to see if your post office offers a weight scale for public use. If available, they will be located near the automatic stamp dispensers. If not, you'll need to take it to the postal clerk on duty and have them weigh it for you. If they weigh it, they will sell you the stamps and post it for you.

Enter the ZIP code to which the package will travel if using a self-service scale. The machine will then offer you several options: media mail, overnight, two-day and first class. Choose whichever one best suits your budget and time requirements.

Purchase stamps according to the amount recommended by the postal scale. The USPS accepts debit cards, credit cards and cash to purchase stamps.

Place the stamps on the upper right-hand corner of the package. Put the recipient's name, address and ZIP code in the center of the package and your address in the upper left-hand corner. Put the largest denomination of stamps on the top and work your way down.


  • Be sure your package is free of all bar codes or other identifying marks such as old addresses and logos. Mark them out with black marker or tape.



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