Career Source Offers an array of basic career service workshops at no charge. Note: A few career service workshops, such as mock job interviews, are fee-based. Job fairs and employer forums; School-to-Career Program caters to in-school high school students Phone: 617-661-7867; 1-888-454-9675 (Toll-free line) Address: 186 Alewife Brook Parkway, Suite #310 Cambridge, MA 02138