Is there a global HS Code? No. You should know exactly what the specific number in your specific country. But the first 6 digit numbers are supposed the same across the whole world. Each country can modify by adding two digits or four digits as per their requirements without changing first six digits.
BLENHEIM, in Hanover, is a place-name found also in Manchester, and originates from Bavaria, Germany. Blenheim (in Germany) was a site of a great battle, which no doubt led to use of the name in Jamaica.
I found this info online about some new resorts coming to Jamaica pretty soon: Montego Bay, Jamaica Excellence Oyster Bay The Excellence Oyster Bay is set to open on a peninsula along Jamaica's northern coast in 2009/2010. This all inclusive resort will feature the first over-the-water bungalows in Jamaica.