Salutations Bard, thanks for taking the opportunity to inquire about the Samsung Galaxy S24 Ultra. The advertised unlocked Galaxy S24 Ultra is compatible with AT&T, Boost Mobile, Cricket, H2O Wireless, Metro by T-Mobile, Mint Mobile, Simple Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, Verizon, Google Fi, and Visible. If you would like further assistance, please do not hesitate to reach out to our Support Team. Thank you for being a loyal Samsung customer. - Debra