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What is the postal code of Min County?

According to the information on the website of Postal Code Library, the postal code of Minxian County is 748400.

The first two digits 74 represent Inner Mongolia Autonomous Region, the middle digit 8 represents Hohhot, the fourth digit 4 represents Hohhot Economic and Technological Development Zone, and the last two digits 00 represent the delivery office under Hohhot Economic and Technological Development Zone.