Who they are
PhoneBox US is the US service of PhoneBox Canada, a provider that works closely with international students, schools, and travel organizations to help newcomers get connected. It runs on T-Mobile in the US and offers prepaid plans on a 30-day cycle, with multilingual support. Sign-up is online, with free worldwide SIM shipping or instant eSIM delivery by email.
Network & coverage
PhoneBox US runs on T-Mobile’s nationwide network, including 4G LTE and low- and mid-band 5G on a compatible device, so coverage tracks T-Mobile’s footprint. One catch worth knowing: as a value brand, its data can be deprioritized behind T-Mobile’s own customers during congestion, and plans slow once you reach the 30-day data cap.
How pricing works
PhoneBox US is prepaid with no contract and no credit check, billed on a 30-day cycle, with a range of data plans plus an unlimited option that throttles after its cap, and short-term traveler plans for shorter stays. Taxes and fees are not included; local taxes and surcharges are added on top. International calling can be added for a monthly fee, and some plans bundle international minutes.
Who it’s for
PhoneBox US suits international students, visitors, and newcomers who want a US line ready the day they arrive, without needing US credit history or a Social Security number, and who value multilingual support. It is less suited to long-term residents chasing the lowest domestic price, or anyone who wants taxes-included billing. The alternatives below are worth a look if a long-term, all-in plan is your priority.
The unlock code is usually the last 4 digits of your phone number.