If you downloaded the Instructions for Form 8886, Reportable Transaction Disclosure Statement, before April 14, 2017, please note that the zip code for where to separately file an exact copy of the initial year filing of Form 8886 has changed from 84404 to 84201.
The complete address to which it should be mailed is:
Internal Revenue Service
OTSA Mail Stop 4915
1973 Rulon White Blvd.
Ogden, Utah 84201