Please make sure you enter a destination phone number in the field. Please verify the phone number you've entered and try again. Refer to the instructions above for more details. Congratulations, the destination you've entered is available on this plan. Congratulations, the destination you’ve entered is available on this plan. As a bonus, Straight Talk offers 400 minutes to call cellular phones in Mexico. The destination you entered is not available at this time. However, our $10 Global calling card covers all destinations around the world, including cell phones.