Tap water is generally not potable. Liquids from sealed bottles nearly always are, and should be used wherever possible. Nearly all restaurants use ice made by professional ice-making companies and is generally safe. There are street-side water dispensaries 1 THB per liter throughout the city.
telephone
Directory enquiry service: 183/1133
International and domestic operator-assisted service: 100
Overseas dial-out code: 001
AT&T International operator for collect calls: 001 999 11111
emergency contacts
Police - emergencies: 191
Police - Tourist: 1155, 053-278559
Fire: 053-241777
Rescue Team: 053-218888