If you have already filed your 2007 tax return than you can check the status of your stimulus check on the IRS website at the link below-
Let me know if you have any question.
Please note: This advice is provided with the understanding that all the relevant facts have been provided by you. Any change in facts might affect the advice given and hence may not be relied on in such cases. Nothing contained in this reply was intended or written to be used, can be used by any taxpayer, or may be relied upon or used by any taxpayer for the purposes of avoiding penalties that may be imposed on the taxpayer under the Internal Revenue Code of 1986, as amended.
If you remember the number of exemptions that you must have claimed(normally it is you, your spouse and your dependents) than you can check it online,
In order to check by phone or have any questions about your payment, please call the toll-free Rebate Hotline at 1-866-234-2942.