There are many internet cafes in the Anuradhapura New Town. Anuradhapura New Town and suburbs are covered by most broadband internet service providers in Sri Lanka. Therefore reliable, low cost, high speed internet connections are available in many places.
There are numerous places from which to place an international phone call. Look for the "IDD" sign. There is a post office in Anuradhapura, as well.
However, pre-paid GSM mobile connections are almost free and charges are dirt cheap in Sri Lanka. It is more advisable to bring in a compatible handset and buy a new connection. It provides you instant access to IDD calls and high speed internet.
in last 2-3 years there are very few case malaria have been reported in Sri Lanka, and there is no need to have prophylactic treatment for malaria when visiting Anuradapura, on the hand wherever in Sri Lanka there is a risk of Dengue fever.