Can you use 1st class stamps international mail

In the United States, the answer is no, you cannot use 1st Class Mail stamps for international mail.

1st Class Mail is a domestic mail service offered by the United States Postal Service (USPS) for sending mail within the United States. It is not suitable for international mail, which requires a different type of postage and handling.

For international mail, you need to use International Mail Services, such as:

1. First-Class Package International Service (FCPIS): This service is for sending packages weighing up to 4.4 lbs (2 kg) and is suitable for non-urgent, non-document items.
2. Priority Mail International: This service is for sending packages weighing up to 70 lbs (31.8 kg) and is suitable for urgent, non-document items.
3. Priority Mail Express International: This service is for sending packages weighing up to 70 lbs (31.8 kg) and is suitable for urgent, time-sensitive items.

Each of these services has its own specific postage rates, which are typically higher than 1st Class Mail rates. You can find the current rates on the USPS website or at your local post office.

To send international mail, you will need to affix the appropriate postage and complete the necessary customs forms, which can be obtained at your local post office or online.