Mail size limit
The size limit for a standard letter or postcard sent through the United States Postal Service (USPS) is typically 11.5 inches long, 6.125 inches high, and 0.25 inches thick. However, there are some exceptions and additional guidelines to keep in mind:
- Standard Mail: The maximum weight for Standard Mail is 3.5 ounces, and the maximum size is 11.5 inches long, 6.125 inches high, and 0.25 inches thick.
- First-Class Mail: The maximum weight for First-Class Mail is 3.5 ounces, and the maximum size is 11.5 inches long, 6.125 inches high, and 0.25 inches thick.
- Priority Mail: The maximum weight for Priority Mail is 70 pounds, and the maximum size is 108 inches long, 165 inches wide, and 108 inches high.
- Priority Mail Express: The maximum weight for Priority Mail Express is 70 pounds, and the maximum size is 108 inches long, 165 inches wide, and 108 inches high.
- Large Envelopes: If you need to send a larger envelope, you can use a Large Envelope (also known as a Flat Rate Envelope) which has a maximum size of 12 inches long, 15 inches wide, and 0.75 inches thick.
- Packages: For packages, the maximum weight and size vary depending on the shipping service and the destination. You can check the USPS website for specific guidelines.
It's important to note that even if your mail piece meets the size and weight requirements, it may still be rejected if it's deemed too large or too heavy for the USPS's automated processing systems.
If you're unsure about the size or weight of your mail piece, it's always a good idea to check with your local post office or the USPS website for more information.