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International Country Code for calling Thailand
Thailand country code: 66
International City Codes for calling Thailand
| Bangkok |
21, 22, 23, 24, 25, 26, 27, 28, 29 |
| Chanthaburi |
39 |
| Chiang Mai |
53 |
| Chon Buri |
38 |
| Khon Kaen |
43 |
| Lampang |
54 |
| Nahkon Sawan |
56 |
| Nakhon Pathom |
34 |
| Nakhon Ratchasima |
44 |
| Phitsanulok |
55 |
| Phuket |
76 |
| Pra Nakhon Sri Ayutthaya |
35 |
| Prachin Buri |
37 |
| Ratchaburi |
32 |
| Saraburi |
36 |
| Songkhla |
74 |
| Surat Thani |
77 |
| Trang |
75 |
| Ubon Ratchathani |
45 |
| Udon Thani |
42 |
| Yala |
73 |
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