Colombo district (police divisions):
Mattakkuliya, Modara, Bloemandahl, Kotahena, Grandpass, Coastal, Aduruppu Weediya, Maligawatta, Dematogoda, Wellampitiya, Borella and Keselwatta.
Gampaha district (police divisions):
Wattala, Peliyagoda, Kadawatha, Ragama, Negambo, Pamunuwa, Jaela, Sapugaskanda
Kalutara district:
Horana, Ingiriya (police divisions) and Wekada West Grama Niladhari Division
Kurunegala district:
Kurunegala Municipal Council area, Kuliyapitiya police divisions
Kegalla district:
Mawanella, Ruwanwella (police divisions)
Housing schemes in Colombo district with a high risk of spread (movements restricted to houses):
Methsanda Sevana, Mihijaya Sevana, Ranmina Sevana - Modara, Sirisanda Uyana - Dematagoda, NHS housing - Maligawatta
