• First-class mail letter (1 oz.) goes from 41 to 42 cents.

• First-class mail letter (2 oz.) rises from 58 cents to 59 cents.

• Postcard goes from 26 to 27 cents.

• Certified mail goes from $2.65 to $2.70.

• First-class mail international letter (1 oz. to Canada and Mexico) goes from 69 to 72 cents.

• First-class mail international letter (1 oz. to other countries) goes from 90 to 94 cents.

• Express mail flat-rate envelope changes from $16.25 to $16.50.