Connect Asia Pacific 2013

The Country Code for Thailand is +66
The City Code for Bangkok and Nonthaburi is +66(0)2

Area Codes in Thailand are referred to as STD codes. STD codes for some cities are:
Bangkok: (0)2
Nonthaburi: (0)2

Dialing Thailand: Landline
International access code (00 or +) followed by 66, then STD CODE followed by Landline no.
e.g. +66 2 XXXXXXXX

Dialing Thailand: Mobile

International access code (00 or +) followed by 66 and the 9-digit Mobile no. eg. +66 XXXXXXXXX.