Postage Rates from the US to Tanzania (USPS 2024)

Rates depend on service, weight, and dimensions. Below are USPS retail prices (effective 2024); commercial/online discounts available.

Letters & Postcards (First-Class Mail International)

• 1 oz letter/postcard: $1.65
• 2 oz: $2.65
• Each additional ounce: $1.00
• Max weight: 3.5 oz (letters), 15.99 oz (flats)

Large Envelopes/Flats (First-Class Mail International)

• 1 oz: $3.00
• Each additional ounce: $1.00
• Max: 15.99 oz, 15" × 12" × ¾"

Packages

First-Class Package International (FCPI) — up to 4 lbs (1.8 kg)

• 8 oz: $17.50
• 12 oz: $21.50
• 1 lb: $25.50
• 2 lbs: $33.50
• 3 lbs: $41.50
• 4 lbs: $49.50

Priority Mail International — Flat Rate

• Small Flat Rate Box: $38.50 (up to 4 lbs)
• Medium Flat Rate Box: $72.50 (up to 20 lbs)
• Large Flat Rate Box: $88.50 (up to 20 lbs)
• Flat Rate Envelope: $38.50

Priority Mail International — Weight-Based

Starts ~$45 for 1 lb; increases with weight/dimensions. Max 70 lbs.

Global Forever Stamp

$1.65 — 1 oz letter/postcard to any country.

Key Notes

• Customs forms required (CN22/CN23)
• Prohibited: currency, hazardous, perishables, some electronics
• Delivery: 10–20 business days (FCPI), 6–10 (PMI)
• Tracking: Included PMI; limited FCPI
• Insurance: Up to $5,000 (PMI), $200 (FCPI)

Check usps.com/international or local PO for current rates, restrictions, and DDU (Delivered Duty Unpaid) implications for recipient.