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.
Under British rule, Jamaica became the center of the  Town of Jamaica. Jamaica was the county seat of Queens County from the formation of the county in 1683 until March 7, 1788, when the town was reorganized by the state government and the county seat was moved to Mineola (now part of Nassau County).oday, some locals group Jamaica's surrounding neighborhoods into an unofficial Greater Jamaica, roughly corresponding to the former Town of Jamaica, including Richmond Hill, Woodhaven, St. Albans, Rosedale, Springfield Gardens, Hollis, Laurelton, Cambria Heights, Queens Village, Howard Beach and Ozone Park.