I know this is the Plus Support Forum but hopefully no one will mind if I post this here!
Exclusive to Gamestop Stores for both new & existing subcribers, now thru 20th June 2013 if you purchase a one year Subscription to PlayStation Plus you'll get a $10.00 gift card immediately to spend on anything on the PlayStation Store.
Customer Service - 1-800-345-SONY (7669)
Account & billing Support -1-877-971-SONY (7669)
Available Mon to Fri 8am - 8pm PST