Thai Postal Codes
Contents
History
The Thai postal code system was established by the Ministry of Digital Economy and Society in 1982.
Specification
Thai postal codes are 5 digits long.
Postal Code Prefixes by Region
The leading digit indicates a region.
Postal Code Prefix |
Region |
1 |
Central zone |
2 |
Eastern zone |
3 |
Northeastern part 1 |
4 |
Northeastern part 2 |
5 |
Upper Northern zone |
6 |
Lower Northern zone |
7 |
Lower Central zone |
8 |
Southern zone |
9 |
Southern border zone |
Portal Code Prefixes by District
The leading two digits indicates a province.
Postal Code Prefix |
District |
10 |
Samut Prakan plus the Bangkok special administrative area |
11 |
Nonthaburi |
12 |
Pathum Thani |
13 |
Ayutthaya |
14 |
Ang Thong |
15 |
Lop Buri |
16 |
Sing Buri |
17 |
Chai Nat |
18 |
Saraburi |
20 |
Chonburi plus the Pattaya self-governing municipal area |
21 |
Rayong |
22 |
Chanthaburi |
23 |
Trat |
24 |
Chachoengsao |
25 |
Prachin Buri |
26 |
Nakhon Nayok |
27 |
Sa Kaeo |
TODO: finish the table
3: Northeastern part 1 Province Postcode Nakhon Ratchasima 30xxx Buriram 31xxx Surin 32xxx Sisaket 33xxx Ubon Ratchathani 34xxx Yasothon 35xxx Chaiyaphum 36xxx Amnat Charoen 37xxx Bueng Kan 38xxx Nong Bua Lamphu 39xxx 4: Northeastern part 2 Province Postcode Khon Kaen 40xxx Udon Thani 41xxx Loei 42xxx Nong Khai 43xxx Maha Sarakham 44xxx Roi Et 45xxx Kalasin 46xxx Sakon Nakhon 47xxx Nakhon Phanom 48xxx Mukdahan 49xxx 5: Upper Northern zone Province Postcode Chiang Mai 50xxx Lamphun 51xxx Lampang 52xxx Uttaradit 53xxx Phrae 54xxx Nan 55xxx Phayao 56xxx Chiang Rai 57xxx Mae Hong Son 58xxx 6: Lower Northern zone Province Postcode Nakhon Sawan 60xxx Uthai Thani 61xxx Kamphaeng Phet 62xxx Tak 63xxx Sukhothai 64xxx Phitsanulok 65xxx Phichit 66xxx Phetchabun 67xxx 7: Lower Central zone Province Postcode Ratchaburi 70xxx Kanchanaburi 71xxx Suphan Buri 72xxx Nakhon Pathom 73xxx Samut Sakhon 74xxx Samut Songkhram 75xxx Phetchaburi 76xxx Prachuap Khiri Khan 77xxx 8: Southern zone Province Postcode Nakhon Si Thammarat 80xxx Krabi 81xxx Phang Nga 82xxx Phuket 83xxx Surat Thani 84xxx Ranong 85xxx Chumphon 86xxx 9: Southern border zone Province Postcode Songkhla 90xxx Satun 91xxx Trang 92xxx Phatthalung 93xxx Pattani 94xxx Yala 95xxx Narathiwat 96xxx