The area of Udon Thani Province is 11,730.3 square kilometers.
The area of Roman Catholic Diocese of Udon Thani is 50,046 square kilometers.
The country code and area code of Surat Thani, Thailand is 66, (0)77.
The country code and area code of Bangkok, Thailand is 66, (0)21.
The area of Pathum Thani Province is 1,525.9 square kilometers.
The area of Uthai Thani Province is 6,730.2 square kilometers.
The area of Surat Thani Province is 12,891.5 square kilometers.
The country code and area code of Chanthaburi, Thailand is 66, (0)39.
The country code and area code of Lampang, Thailand is 66, (0)54.
The country code and area code of Ratchaburi, Thailand is 66, (0)32.
The country code and area code of Saraburi, Thailand is 66, (0)36.
The country code and area code of Songkhla, Thailand is 66, (0)74.