Code Telephone in Thailand |
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| Bangkok, Nonthaburi, Pathum Thani, Samut Prakan | |
| Prachuap Khiri Khan, Phetchaburi, Ratchaburi | |
| Kanchanaburi, Nakhon Pathom, Samut Songkhram, Samut Sakhon | |
| Suphan Buri, Ang Thong, Phra Nakhon Si Ayutthaya | |
| Lop Buri, Saraburi, Sing Buri | |
| Nakhon Nayok, Prachin Buri, Sa Keao | |
| Chachoengsao, Chonburi, Rayong | |
| Chanthaburi, Trat | |
| Nakhon Phanom, Mukdahan, Loei, Sakhon Nakhon, Nong Khai, Udon Thani, Nong Bua Lam Phu | |
| Kalasin, Khon Kaen, Maha Sarakham, Roiet | |
| Chaiyaphum, Nakhon Ratchasima, Buri Ram, Surin | |
| Yasothon, Si Sa Ket, Ubon Ratchathani, Amnat Charoen | |
| Chiang Mai, Chiang Rai, Mae Hong Son, Lamphun | |
| Nan, Phayao, Phrae, Lampang | |
| Kamphaeng Phet, Tak, Phitsanulok, Sukhothai, Uttaradit | |
| Chai Nat, Nakhon Sawan, Pichit, Phetchabun, Uthai Thani | |
| Narathiwat, Pattani, Yala | |
| Phattahalung, Songkhla, Satun | |
| Krabi, Trang, Nakhon Si Thamarat | |
| Phangnga, Phuket | |
| Chumphon, Ranong, Surat Thani |
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