The area code 857 is located in Boston, Massachusetts.
The 857 area code serves the vibrant city of Boston, Massachusetts, along with parts of nearby Cambridge and Brookline. Established in 2001, this area code was created to meet the growing demand for phone numbers in the region. Boston is known for its rich history and iconic landmarks, such as the Freedom Trail and the Boston Common, making it a significant cultural hub. Interestingly, Boston is home to some of the nation’s top universities, including Harvard and the Massachusetts Institute of Technology (MIT). Whether you’re dialing into the bustling city or enjoying its historic charm, the 857 area code connects you to one of America’s oldest cities.