Stimulus rebate checks have started going out and millions of Americans want to know when they will get their rebate checks.   News/Talk 960's Timothy Martin says it can get complicated:

Direct deposit payment
If last 2 digits of your SS# are:
00-20 Your rebate should be sent by May 2
21-75 Your rebate should be sent by May 9
76-99 Your rebate should be sent by May 16

Paper check
If last 2 digits of your SS# are: Your rebate should be sent by:
00-09 Your rebate should be sent by May 16
10-18 Your rebate should be sent by May 23
19-25 Your rebate should be sent by May 30
26-38 Your rebate should be sent by June 6
39-51 Your rebate should be sent by June 13
52-63 Your rebate should be sent by June 20
64-75 Your rebate should be sent by June 27
76-87 Your rebate should be sent by July 4
88-99 Your rebate should be sent by July 11

Source: IRS