Where you mail your federal returns will depend on whether you are receiving a refund/ enclosing a payment and the type of Form 1040 that you are filing. Here is a direct link where you can locate the mailing address for your federal return.

https://www.irs.gov/filing/new-jersey-where-to-file-addresses-for-taxpayers-and-tax-professionals

Where to mail your New Jersey tax return:

Return With Payment. Mail your return together with your payment voucher and check or money to:

Residents (Forms NJ-1040 and NJ-1040-V)

• State of New Jersey
  Division of Taxation
  Revenue Processing Center - Payments 
  PO Box 111
  Trenton, NJ 08645-0111

Nonresidents (Forms NJ-1040NR and NJ-1040NR-V)

• State of New Jersey 
  Division of Taxation 
  Revenue Processing Center – Payments 
  PO Box 244 
  Trenton, NJ 08646-0244

Mail NJ-1040 returns requesting a refund (or with no tax due) to:

• State of New Jersey
  Division of Taxation
  Revenue Processing Center - Refunds
  PO Box 555
  Trenton, NJ 08647-0555

Mail NJ-1040NR returns requesting a refund (or with no tax due) to:

• State of New Jersey
  Division of Taxation
  Revenue Processing Center
  PO Box 244
  Trenton, NJ 08646-0244

For more information:  http://www.state.nj.us/treasury/taxation/njit18.shtml