Postage Rates 2024 Additional Ounce Postage

Postage Rates 2024 Additional Ounce Postage. The baseline postage rate to mail a flat/large envelope has increased from $1.35 to $1.39 in postage, but the price for each additional ounce also stayed the same. For every additional 100gms or part thereof.

See forever postage stamp prices and other postage rates. Here are the highlights of.