How to Track First-Class Mail - PostGrid
When you ship a First-Class Mail Package, tracking is automatically applied and you don’t have to undergo any additional steps. The receipt will have a tracking number towards the bottom. You can enter this number on the USPS website to track your parcels. Alternatively, you can also enquire about your mail via SMS or call.
First-Class Mail International | USPS
www.usps.com › international › first-class-mailFirst-Class Mail International ® (FCMI) service is the most affordable way to send letters and large envelopes to more than 180 countries, including Canada, Great Britain, and Australia. Send 1 oz letters or postcards around the world with one Global Forever ® stamp, which currently costs $1.40 and never expires, even if the postage price goes up.