The mill, which is the oldest working silk mill in the UK, is granting free entry to people living in the RG, SO and SP postcodes throughout January.
The mill is inviting residents from the SO postcode to visit between January 14 and January 19.
RG residents can visit between January 21 and January 26, and SP residents can visit between January 28 and February 2.
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Those living in the RG28 postcode can enjoy free entry for the entire promotion period, from January 14 to February 2.
The mill has been continuously weaving silk since 1815 and is now an award-winning museum on the banks of the River Test.
It tells the story of silk weaving through exhibits and live demonstrations of the silk textile-making process.
Visitors can see the historic machinery in action and learn about the mill’s history.
From January 18, the exhibition Powering Through: The Conservation of the Waterwheel will offer visitors a look at the mill’s waterwheel.
The exhibit will highlight its history and the efforts of those involved in its conservation and restoration.
For full terms and conditions, visit whitchurchsilkmill.org.uk/january-postcode-promotion.