To mail your Federal form 1040EZ,
If you ARE NOT enclosing a payment use this address:
Department of the Treasury
Internal Revenue Service
Kansas City, MO 64999-0002
If you ARE enclosing a payment use this address:
Internal Revenue Service
P.O. Box 37008
Hartford, CT 06176-7008
For
your state return(s), you can find the address to file at on the Department of
Revenue site for the state:
https://ttlc.intuit.com/replies/3302452