4.00% 24-Month CD at a Massachusetts CU (Greylock).

Update 5/10/08: The CD promotion has ended. Please see the credit union's website for the latest CD rates.

Greylock Federal Credit Union has two promotional CDs called Leap-Up Term Share Certificates. These CDs have a yield of 4.00% APY with terms of 24 and 30 months. The leap-up feature is based on the interest rate starting at 3.50% for the first half of the term and then jumping up to 4.35% for the second half.

Membership is open to anyone who lives or works in Berkshire County, Massachusetts. Please see their Who Can Join page for more details. Membership requires a minimum balance of $5 in the share savings account.

Branches are located in the cities of Pittsfield, Adams, North Adams, Lee, Great Barrington and Williamstown. The credit union is federally insured by the NCUA (Charter # 24560). It has $987.9 million in assets and 62,643 members.

Tags: Massachusetts, CD rates, Greylock Federal Credit Union