The $39/mo. Ultra Mobile prepaid plan bundles unlimited nationwide talk and global text with 24GB of high-speed 5G/4G LTE data on the T-Mobile network for 1 month. It can be a solid fit for travelers who want international calling from the U.S., but your best value depends on keeping your phone compatible (unlocked) and understanding how the Mexico data roaming pass and activation process work.
Tracfone’s $25 30-day smartphone plan combines unlimited talk and text with 2GB of LTE data, plus a carryover-style data feature for unused data. It is a practical option for light-to-moderate data users who want prepaid simplicity, with the main caveat being the plan’s limited data cap (2GB) on an unlimited talk/text structure.
The Straight Talk 6 Months Unlimited Refill/Service Card is a prepaid way to add six months of unlimited service to a compatible Straight Talk line using a physical refill card and PIN. It can be a convenient option if you prefer not to refill monthly, but review evidence also shows occasional account deactivation hassles when activation steps do not go smoothly.
Tracfone’s 30-day prepaid plan bundles 200 minutes, 500 texts, and 500MB of data for Tracfone USA smartphones in the Bring Your Own Phone program. It expires after 30 days and is not for non-smartphones (and it cannot be tripled). If you need a low-usage, short-term option, this can be a straightforward fit, but 500MB data is light.