This is a fairly straighforward multi cache. The given coordinates are for the information board about the Darland Banks. According to that board:
The Kent Wildlife Trust postcode is: MEXY ZBD
The phone number is: 01622 WWVU12
The cache is located at: N 051º VX.ZUZ E 000º ZY.WVZ
Hopefully having to find the info won't bug you. Enjoy :)