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+66-34-(000000...999999): Nakhon Pathom, Samut Sakhon, Kanchanaburi and Samut Songkhram, Central Region Read more about +66-34-(000000...999999)
+66-35-(000000...999999): Phra Nakhon Si Ayutthaya, Suphan Buri and Ang Thong, Central Region Read more about +66-35-(000000...999999)
+66-36-(000000...999999): Saraburi, Lop Buri and Sing Buri, Central Region Read more about +66-36-(000000...999999)