Just got an SMS alert from Globe and it says that their Duo service has expanded nationwide. See the whole copy of the alert below.
DUO has expanded! Now you can call DUO numbers in Batangas, Quezon, Northern Samar and Davao and all Globe landlines nationwide!
Plus free calls to any landline like PLDT, Bayantel, Digitel, etc, w/in the same area. DUO is now available in more areas: NCR, Cebu, Bohol, Capiz, Negros Occidental, Batangas, Quezon, Northern Samar and Davao.
For more information, txt DUO to 8888.
More about Globe Duo: