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.
Jamaica is a country with a small population which is located in the continent/region of North America. Countries near Jamaica include Cayman Islands, Cuba, Haiti and Turks and Caicos Islands. Its biggest cities and towns include Kingston, Spanish Town, Portmore and Montego Bay.