Aloha Patri, thank you for reaching out with your question about the Samsung Galaxy S25. The advertised U.S. version of the unlocked Galaxy S25 is compatible with the following U.S. wireless carriers: AT&T, Boost Mobile, Cricket, Google Fi, H2O Wireless, Mint Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, Verizon, and Visible. We recommend reaching out to the compatible carrier of your choosing to inquire if this device would be functional when outside of the U.S. Feel free to contact Support if you have any other questions. Thank you for being a loyal Samsung customer. - Debra