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.
St. James. St James is a suburban parish, located on the north west end of the island of Jamaica. Its capital, Montego Bay, derived from the Spanish word Manteca (lard) because many wild hogs were found there from which they made lard. It was named publicly the second city of Jamaica, behind Kingston, in 1981.