537 Area Code
Jining | Shandong | China
Jining (simplified Chinese: 济宁; traditional Chinese: 濟寧; pinyin: Jǐníng) is a prefecture-level city in southwestern Shandong province. It borders Heze to the southwest, Zaozhuang to the southeast, Tai'an to the northeast, and the provinces of Henan and Jiangsu to the northwest and south respectively..
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