554300。 According to the information of China Postal Code Library, Bijiang District, tongren city is located in Bijiang District, tongren city, Guizhou Province, and the postal code of Bijiang, tongren city is 554300. The postal code in China adopts a four-level six-digit coding structure, and the first two digits 55 represent Guizhou Province; The third digit 4 represents tongren city; The fourth digit 3 indicates Bijiang District, and the last two digits 00 indicate the delivery office.