I mailed my taxes on March 11th haven't received my money whats going on

[VolvoGirl]

4 weeks after you print and mail it,  you can start checking IRS Where's my refund     <a rel="nofollow" target="_blank" href="https://www.irs.gov/refunds">https://www.irs.gov/refunds</a>

Did you mail federal and state in separate envelopes?  

[SweetieJean]

Will calling you help me get my refund any faster?
No. Our phone and walk-in representatives can only research the status of your refund 21 days after you filed electronically; 6 weeks after you mailed your paper return; or if Where’s My Refund? directs you to contact us.

https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions