Area Codes Thailand
The Area Codes of Thailand:
| | City/Town or Region | Area code |
| 1. | Bangkok (Krung Thep Maha Nakhon), Nonthaburi, Pathum Thani, Samut Prakan, Phutthamonthon | 02 (+662) |
| 2. | Bueng Kan, Loei, Mukdahan, Nakhon Phanom, Nong Bua Lamphu, Nong Khai, Sakon Nakhon, Udon Thani | 042 (+6642) |
| 3. | Buri Ram, Chaiyaphum, Nakhon Ratchasima, Surin | 044 (+6644) |