National call prefix (Greece): 0030
Local prefix (Athens): 210
Local prefix (Sifnos): 22840
Police Department: (+30) 22840-31210
Health Centre: (+30) 22840-31315 and (+30) 22840-33915
Ambulance: (+30) 22840-31315
Port Authority: (+30) 22840-33617
Public Buses - KTEL: (+30) 22840-31345
Taxi: (+30) 22840-31656
Information Centre: (+30) 22840-31977
Post Office: (+30) 22840-31329