Police, Ph: 100
Fire, Ph: 101 
Ambulance, Ph: 101 
Airport(enquiry), Ph: 451537  
Railway(enquiry), Ph: 131, 132, 133
Central Bus Station(enquiry), Ph: 63886
J. Jayalalitha Transport Corporation(JJTC), Ph: 67756
Passport Office, Ph: 71194
Emigration Office

Central Post Office, Kunnampuram, Ph: 73071
Railway Mail Service, Ph: 330216
Central Telegraph Office, Statue, Ph: 61494

Tourist Information Centre,
Directorate of Tourism, Park View, Ph: 61132

Tourist Information Centre,
Central Bus Station, Thampanoor, Ph: 67224

Tourist Information Centre, Airport, Ph: 451085

Tourist Information Centre,
International Airport, Ph: 452298

Tourist Information Centre, Kovalam, Ph: 480085

Tourist Information Centre,
Thampanoor (KTDC), Ph: 330031

Central Reservation,
Hotel Mascot(KTDC), Ph: 437898/438976

District Tourism Promotional Council,
Vellyambalam(DTPC), Ph: 435397

Tourist Information Centre(Airport),
Govt. of India Tourism, Ph: 451498