What is the phone number for freddie mac? The Customer Service Phone Number of Freddie Mac is: 1-888-995-4673, 1-800-424-5401, +1-800-373-3343. 1-888-995-4673 is the customer service number of Freddie Mac. The phone number of Freddie Mac is not guaranteed to be toll free.What is freddie mac mortgage? Freddie Mac is a U.S. government-sponsored company that insures and buys for resale home mortgages. Freddie Mac and the similar Fannie Mae are the major backers of home mortgages in the United States. A Freddie Mac loan is a home mortgage that has been ensured by Freddie Mac.What does freddie mac do exactly? Key Takeaways Freddie Mac makes mortgage lending less risky. It expands the pool of buyers by making homeownership more affordable. Freddie Mac creates a standardized mortgage lending process. It helps to maintain a robust housing marketing.What are freddie mac loans? Definition of Freddie Mac. The Federal Home Loan Mortgage Corporation, known as Freddie Mac, is a government-sponsored enterprise that buys loans from mortgage lenders, packages them together, and sells them as a mortgage-backed security to investors on the open market.