| Value | Category | 
|---|---|
| 00 | Same province | 
| 01 | Krabi | 
| 02 | Kanchanaburi | 
| 03 | Kalasin | 
| 04 | Kamphaeng Phet | 
| 05 | Khon Kaen | 
| 06 | Chanthaburi | 
| 07 | Chachoengsao | 
| 08 | Chon Buri | 
| 09 | Chainat | 
| 10 | Chaiyaphum | 
| 11 | Chumphon | 
| 12 | Chiang Rai | 
| 13 | Chiang Mai | 
| 14 | Trang | 
| 15 | Trat | 
| 16 | Tak | 
| 17 | Thon Buri | 
| 18 | Nakhon Nayok | 
| 19 | Nakhon Pathom | 
| 20 | Nakhon Phanom | 
| 21 | Nakhon Ratchasima | 
| 22 | Nakhon Si Thammarat | 
| 23 | Nakhon Sawan | 
| 24 | Nonthaburi | 
| 25 | Narathiwat | 
| 26 | Nan | 
| 27 | Buri Ram | 
| 28 | Pathum Thani | 
| 29 | Prachuap Khiri Khan | 
| 30 | Prachin Buri | 
| 31 | Pattani | 
| 32 | Phra Nakorn | 
| 33 | Ayutthaya | 
| 34 | Phang Nga | 
| 35 | Phatthalung | 
| 36 | Phichit | 
| 37 | Phitsanulok | 
| 38 | Petchaburi | 
| 39 | Petchabun | 
| 40 | Phrae | 
| 41 | Phuket | 
| 42 | Maha Sarakam | 
| 43 | Mae Hong Son | 
| 44 | Yala | 
| 45 | Roi Et | 
| 46 | Ranong | 
| 47 | Rayong | 
| 48 | Ratchaburi | 
| 49 | Lop Buri | 
| 50 | Lampang | 
| 51 | Lamphun | 
| 52 | Loei | 
| 53 | Si Sa Ket | 
| 54 | Sakon Nakhon | 
| 55 | Songkhla | 
| 56 | Satun | 
| 57 | Samut Prakan | 
| 58 | Samut Songkhram | 
| 59 | Samut Sakhon | 
| 60 | Saraburi | 
| 61 | Sing Buri | 
| 62 | Sukhothai | 
| 63 | Suphan Buri | 
| 64 | Surat Thani | 
| 65 | Surin | 
| 66 | Nong Khai | 
| 67 | Ang Thong | 
| 68 | Udon Thani | 
| 69 | Uttaradit | 
| 70 | Uthai Thani | 
| 71 | Ubon Ratchathani | 
| 79 | Unknown province | 
| 81 | China | 
| 82 | Malaysia, Singapore | 
| 83 | Laos | 
| 84 | Vietnam | 
| 85 | Cambodia | 
| 86 | Burma | 
| 87 | India, Pakistan, Ceylon | 
| 88 | Japan | 
| 89 | Other Asia | 
| 90 | Europe, Australia, New Zealand | 
| 91 | U.S.A., Canada | 
| 92 | All Other | 
| 98 | Unknown | 
| 99 | NIU (not in universe) |