Postal Service Practice Exam 2025 – Comprehensive Study Resource

Question: 1 / 400

What are the minimum dimensions required for a standard letter sent via USPS?

3 inches in height, 4 inches in length, and 0.008 inch thick

3.5 inches in height, 5 inches in length, and 0.007 inch thick

The correct choice reflects the established minimum dimensions for a standard letter sent via the USPS. A standard letter must be at least 3.5 inches in height, 5 inches in length, and 0.007 inch thick. This has been set by the USPS to ensure that letters meet the automation processing requirements and can be efficiently handled through the mail system.

When letters adhere to these minimum dimensions, they are more likely to be processed without issues, reducing the chances of misdelivery or delays. Additionally, ensuring that letters meet the minimum dimensions lets senders take full advantage of the various postal rates and services available through USPS.

By knowing these specifications, individuals and businesses can adequately prepare their mailings for successful delivery. Understanding the correct dimensions is crucial for anyone preparing mail to avoid extra costs or complications.

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4 inches in height, 6 inches in length, and 0.005 inch thick

3 inches in height, 5 inches in length, and 0.010 inch thick

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