Columbia Municipal Employees Credit Union is offering a special 5.71% APY 13-month certificate of deposit. The minimum deposit is $2,500. It's also available as an IRA. This special is scheduled to last until 6/29/2007.
Field of membership is based primarily on select employer groups including the local city and county governments. See site for details. Membership requires a minimum deposit of $25 into your share savings account.
The credit union is federally insured by the NCUA (Charter # 62930). It's a small credit union with $15.0 million in assets and 2,647 members.