Top Questions about USPS Regulations
What are the design requirements for sending a postcard through USPS?
We recommend downloading our START FILES in the postcard size needed, which contains a layer with guidelines.
When designing, please do not:
- Add rounded corners on your postcards
- Include a box for the stamp in your design
- Create mail designs containing any vulgarity, pornographic or illegal material as they will not be mailed
- Adhere to USPS Regulations