First class mail postage rate chart

Here is the current first-class mail postage rate chart for the United States Postal Service (USPS):

Letters

• 1 oz (1 ounce) letter: $0.55
• 2 oz (2 ounce) letter: $0.70
• 3 oz (3 ounce) letter: $0.85
• 3.5 oz (3.5 ounce) letter: $1.00

Large Envelopes (Flats)

• 1 oz (1 ounce) flat: $0.55
• 2 oz (2 ounce) flat: $0.70
• 3 oz (3 ounce) flat: $0.85
• 3.5 oz (3.5 ounce) flat: $1.00
• 6.5 oz (6.5 ounce) flat: $1.15
• 13 oz (13 ounce) flat: $1.30

Postcards

• Standard postcard: $0.35

International Mail

• 1 oz (1 ounce) international letter: $1.20
• 2 oz (2 ounce) international letter: $1.45
• 3 oz (3 ounce) international letter: $1.70
• 3.5 oz (3.5 ounce) international letter: $1.95

Additional Fees

• Extra postage for oversized or irregularly shaped items: varies
• Extra postage for packages over 13 oz (13 ounce): varies
• Insurance fees: varies
• Signature confirmation: $0.75
• Return receipt: $1.45

Note: These rates are subject to change, so it's always a good idea to check the USPS website or consult with a postal worker for the most up-to-date information.

Also, keep in mind that these rates apply to standard first-class mail. If you need to send a package or item that requires special handling, such as certified mail, registered mail, or priority mail, the rates will be different.