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 an island country in the Caribbean; it is part of the Greater Antilles. The island, 10,990 square kilometres (4,240 sq mi) in area, lies about 145 kilometres (90 mi) south of Cuba, and 191 kilometres (119 mi) west of Hispaniola. Its capital is Kingston; other towns include Montego Bay, St. Ann's Bay and Spanish Town.