postage rates 1st class mail

postage rates 1st class mail depend on the item type, weight, and destination. As of 2024, USPS First-Class Mail for a standard letter up to 1 oz costs $0.66, with each additional ounce costing $0.24. Rates for parcels start higher and vary by weight and zone. First-Class Mail is best for lightweight items like letters, postcards, and small packages, offering affordability and reliability with tracking for parcels.