Internet - All the resorts and most coffee shops have free Wi-Fi available The speed and reliability are quite good. Unfortunately it is still difficult to find Wi-Fi near the train station but that should change soon.
Mail – There’s a small post office at the end of Yen Ninh when it turns into Highway 702. Several others can be found in Phan Rang.
Phone - Mobile phones and prepaid sim cards are cheap to buy in Vietnam. If you can use your current mobile within Vietnam, then you can buy a prepaid sim card for 50,000 VND with a small amount of credit included. The main companies are Mobifone, Viettel, and Vinaphone. You can call overseas except for the United States which is not compatible with the mobile service providers.