253500。 According to the postal code database, the postal code of Lingcheng District, Dezhou City, Shandong Province is 253500. Lingcheng District, Dezhou City, Shandong Province is located in the central and eastern part of Shandong Province, with a total area of 1375km2, away from Jinan, the provincial capital. It has jurisdiction over 3 sub-district offices and 14 townships, 139 administrative villages and 17 communities. Lingcheng District is a famous historical and cultural city with a long history and profound foundation.