| • Bangkok
and Neighboured area |
| Bangkok -- Nonthaburi -- Phathumthani -- Samut
Prakan |
02 |
| |
| • Central Region |
| Prachaub Khiri Khan -- Phetchaburi -- Ratchaburi |
032 |
Kanchanaburi -- Na Khon Pa Thom -- Samut Songkhram
-- Samut Sakhon
|
034 |
| Suphanburi -- Angthong -- Ayutthaya |
035 |
| Lopburi -- Saraburi -- Singburi |
036 |
| |
|
| • Eastern Region |
|
| Nakhon Nayok -- Prachin Buri -- Sakaew |
037 |
| Chachoengsao -- Chon Buri -- Rayong |
038 |
| Chantaburi -- Trat |
039 |
| |
|
| • Northeastern Region |
|
| Nakhon Phanom -- Mukdahan -- Loei -- Sakon Nakhon -- Nong
Khai -- Udon Thani -- Nongbualamphu |
042 |
| Kalasin -- Khon Kaen -- Mahasarakham -- Roi Et |
043 |
| Chaiyaphum -- Na Khon Ratchasima -- Buriram -- Surin |
044 |
| Yasothon -- Srisaket -- Ubon Ratchathani -- Amnat
Charoen |
045 |
| |
|
| • Northern Region |
|
| Chiamg Rai -- Chiamg Mai -- Mae Hong Son -- Lamphun |
053 |
| Nan -- Phayao -- Phrae -- Lampang |
054 |
| Kam Phaeng Phet -- Tak -- Phit Sa Nu Lok -- Su Ko thai --
Ut Ta Ra Dit |
055 |
| Phichit -- Phetchaboon -- U Thai Tha ni -- Na Khon Sa Wan
-- Chai Nat |
056 |
| |
|
| • Southern Region |
|
| Na Ra Thi Wat -- Pat Tani -- Yala |
073 |
| Phatthalung -- Songkhla -- Satul |
074 |
| Krabi -- Trang -- Na Khon Sri Thamrat |
075 |
| Phang Nga -- Phuket |
076 |
| Chumphon -- Ranong -- Surat Thani |
077 |
| |
|
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