Is Lob available outside of the US? Lob can mail all over the world. International mailings originate from the US and are mailed via USPS First Class Mail. If you are looking to originate mail in a different country, please contact us. Related articles Is your US Address Verification API CASS Certified? Can I track my mail? What are Lob’s business hours of operation? Is there a way to upload a CSV of my address list and documents? What are Lob's Platform Editions?