Domestic mail postage rate

The domestic mail postage rate in the United States is set by the United States Postal Service (USPS) and is subject to change periodically. As of 2022, the domestic mail postage rates are as follows:

Letters

• 1-ounce letter (up to 1 oz): $0.55
• 2-ounce letter (1.01-2 oz): $0.70
• 3-ounce letter (2.01-3 oz): $0.85
• 1-ounce letter (over 3 oz): $1.00

Large Envelopes

• Flat rate envelope (up to 13 oz): $7.50
• Flat rate envelope (over 13 oz): $13.50

Packages

• Priority Mail (up to 70 lbs): $7.95 (small box), $14.35 (medium box), $20.35 (large box)
• Priority Mail Regional Rate (up to 70 lbs): $6.95 (small box), $12.35 (medium box), $18.35 (large box)
• Parcel Post (up to 70 lbs): $13.95 (small box), $24.95 (medium box), $34.95 (large box)

Other Services

• Certified Mail: $3.45 (first ounce), $0.15 each additional ounce
• Return Receipt: $1.45 (first ounce), $0.15 each additional ounce
• Signature Confirmation: $3.45 (first ounce), $0.15 each additional ounce

Please note that these rates are subject to change, and you should check the USPS website or consult with a postal service representative for the most up-to-date information.