So, where is the 617 area code and where is area code 857? The 857 and 617 area code location is the same. The two area codes overlay one another, and cover Boston, Massachusetts and its surrounding communities. That’s why they’re known as the Boston area code numbers.
Boston (Area 617 and 857) is known for being a leader in education, healthcare, technology, and other industries. The two area codes cover the greater Boston area, including the counties of Essex, Middlesex, Norfolk, and Suffolk, as well as the towns of Belmont and Brookline and the cities of Cambridge and Quincy.
Boston is the largest city in New England, boasting a population of over 675,000 people. It is the 23rd largest city in the USA with a metropolitan area of nearly five million residents.
The Massachusetts city is home to some of the most respected universities in the world—Harvard and Tufts. The city brings in over 350,00 university students annually who contribute $4.8 billion to the local economy each year.
The top private employers in Boston are all based in healthcare with Massachusetts General Hospital leading the way by providing over 14,000 jobs.
Boston is mostly made up of White (44.2%), Black (21.0%), and Hispanic (19.27%) residents. The median household income for a family in Boston is $89,212.
The city of Boston is tied to early American history, having been founded in 1630 by Puritan settlers from England. Key moments in history have taken place within the city's borders—think the Revolutionary War, the Boston Tea Party, and Paul Revere helping to fortify Boston against an attack from the British.
Boston is also known for having plenty of sports, with teams from Boston having combined to win 41 league championships. The city is synonymous with franchises like the Boston Celtics, New England Patriots, and Boston Red Sox. The Boston Marathon is also the oldest running marathon in the world.







