Send ALL pages.
If you're filing any of these forms:
Form 1098-C, Form 2848, Form 3115, Form
3468, Form 4136, Form 5713, Form 8283, Form 8332,
Form 8858, Form 8864, Form 8885, or Form 8949,
Address them to:
Internal Revenue Service
Attn: Shipping and Receiving 0254
Receipt and Control Branch
Austin, TX 73344-0254
If
you're paper filing a 1040, find your state here.