If you’re a Discover Card holder, it’s time to check your mail. From February through June 2010, Discover is running a special promo to targeted cardholders. If you’re eligible, you can earn a $500 bonus for spending at least $2,000 each month from February 2010 through June 2010. To enroll:

1) Call 1-866-645-1436 from January 1, 2010 to February 1, 2010 and let us know you’d like to stop using other cards and switch your spending to Discover.

2) Use Discover for all your purchases like groceries, gasoline, electronics as well as monthly bills like cell phone, internet and cable.

3) Earn an extra $500 CashBack Bonus – just for making $2,000 in purchases with your card in each month from February 2010 through June 2010. Remember, this is in addition to the CashBack Bonus you can earn every time with your card.

(Via FW)