Boost Mobile, T-Mobile and MetroPCS all allow shoppers to add minutes to any customer's phone. Policies at other companies may vary. At Prepaid-Phones.T-Mobile.com, site visitors can add funds with T-Mobile refill cards, credit or debit cards, or checking accounts. BoostMobile.com and MetroPCS.com only accept credit and debit cards.
Visitors to Prepaid-Phones.T-Mobile.com can make payments to accounts they do not own by clicking Refill near the top right corner of the screen, then choosing a payment option. At BoostMobile.com, they can click "Reboost" near the top right corner of the screen, and then click Gift Now. At MetroPCS.com, visitors click Make a Payment at the top of the screen and must select No for the Sign into My Account option.