David Wang
-Updated on June 23, 2026
USPS International tracking
USPS® international mail services go to Canada, Mexico, and more than 190 countries. It offers a wide range of postage services. If you want to have access to tracking the shipment, be careful when choosing one.
| USPS International Mail Class | International Tracking Capabilities | Shipping Time | Example Number |
| Global Express Guaranteed® | Tracking to all destinations | 1–3 Business Days | 82 000 000 00 |
| Priority Mail Express International™ | USPS Tracking for most destinations | 3–5 Business Days | EC 000 000 000 US |
| Priority Mail International® | USPS Tracking for most destinations Not available for Flat Rate Envelopes or Flat Rate Small Boxes | 6–10 Business Days | CP 000 000 000 US |
| First‑Class Package International Service | USPS Tracking for most destinations* | Varies by Destination | LZ 000 000 000 US |
| First‑Class Mail Letters | Not Available | Not Available |
While end-to-end tracking is not available for First-Class Mail letters, you can purchase an Extra Service and get tracking information.
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