Taxpayer Advocate Service

Taxpayer Advocate Service Office: Milwaukee, WI

211 West Wisconsin Ave. Room 507, Stop 1005MIL
Milwaukee, WI, 53203 

Phone: 414-231-2390

Fax: 855-833-8230

You can also call the Taxpayer Advocate Service toll-free at 877-777-4778, or fill out Form 911, Request for Taxpayer Advocate Service Assistance PDF, and fax or mail it to the address provided.

IRS TAS Website