Hello Knoxville924, thanks for asking us your question about the Samsung Galaxy S25 FE. The advertised unlocked Galaxy S25 FE is the U.S. version of this device. It is compatible with the following U.S. wireless carriers: AT&T, Boost Mobile, Cricket, Google Fi, H2O Wireless, Metro by T-Mobile, Mint Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, and Verizon. We recommend reaching out to a compatible carrier to inquire if this device would be functional while in Mexico. If you have any other questions, please let us know by contacting Support at your leisure. Thank you for being a treasured Samsung customer. - Debra