This allows you to have a valid number at your ID residence along with local dialing via a Movistar or similar secondary SIM anywhere in the world.
Keeping up with plans and payment dates can be a chore. An AT&T GoPhone SIM allows me to pay $20 when I return to the states each 6 months to a year. (Some may be required to keep $20 in the account yet ask for a 1 year extension)
Movistar SIM's are a no brainer.
I'll get back to blogging within 48 hours, thanks and have a great weekend.
*I went with a BLU, great phones, big screen, inexpensive and durable.