If you live in MA, you should mail your federal Tax Return to:
Without a Payment:
Department of the Treasury
Internal Revenue Service
Kansas City, MO 64999-0002
With a Payment:
Internal Revenue Service
P.O. Box 37008
Hartford, CT 06176-7008
Here is a link for MA State Tax Returns, based on which form you are filing:
https://www.irs.gov/uac/where-to-file-addresses-for-taxpayers-and-tax-professionals-filing-form-1040.
