Tourist police of Thailand: 1699 Telephone area codes of Koh Chang/Laem Ngop/Trat: 039 Medical Care - Koh Chang :Koh Chang Hospital (Eastcoast, Baan Khlong Nonsi) Tel. 039-58 61 31 and 039/58 61 21, opening-hours: Mon - Fri from 8.30 am - 15.30 pm, Sat - Sun only for emergencies. (During the opening-hours from Mon - Fri there are 2 English-speaking physicians at the hospital.) Police - Koh Chang :Police headquarters Koh Chang: Tel. 039-58 61 91, 039-58 61 20. Police station White Sand Beach:Tel. 039-52 96 16. Police station Baan Salak Phet:No telephone. Post Office - Koh Chang :Located on the road between White Sand Beach and Khlong Prao Beach, 1.7 kilometres off the southern end of White Sand Beach on the beach side. Tel. 01-878 43 37, opening-hours: Daily 8.00 am - 6.00 pm.The receiving of letters and packages is possible: First name, name / Poste Restante / Ko-Chang-Resortel / 13/5 Moo. 4 T. Ko Chang / Whitesand-Khlongphid / Ko Chang D.T. / Trat P.V. 23120 / Thailand National Marine Park Office - Koh Chang :Tel. 039-58 60 56 and 01-758 21 45, opening-hours: Mon - Fri from 8.00 am - 5.00 pm. Police - Laem Ngop :On the main street coming from Trat, 700 metres after the intersection in Laem Ngop on the left hand side. Tel. 039-59 70 33. Post Office - Laem Ngop :On the road to Trat, 800 metres after the intersection on the left hand side. Tel. 039-59 72 40, opening-hours: Mon - Fri from 8.30 am - 4.30 pm, Sat from 8.30 - 12.00 am.Poste Restante is also possible: First name, name / Poste Restante / Laem Ngop Post Office / Laem Ngop 23120 / Thailand National Marine Park Headquarters - Laem Ngop : At the connecting road between Laem-Ngop-Pier and Laem Ngop. Tel. 039-53 81 00, opening-hours: Mon - Fri from 8.00 am - 4.00 pm. Immigration Office - Laem Ngop :Directly beside the police station. Tel. 039-59 72 61, opening-hours: Mon - Fri from 8.30 - 12.00 am and from 1.00 - 4.30 pm. Tourist Information - Laem Ngop :On the main street coming from Trat, 1.2 kilometres after the intersection in Laem Ngop on the left hand side. Tel. 039-59 72 55 and 039-59 72 59, opening-hours: Mon - Fri from 8.30 am - 4.30 pm.