Zimmerman Law, PC Share: Attorneys Visit Website Request Info 919 S 7th Street, Ste #607 Bismarck, ND 58504 (701) 224-1519 (701) 224-1769 (fax) Facebook Hours: Monday - Thursday 8am - 4pm About Map About Law firm that focuses on tax, estate planning, and business succession planning. Directions Drive south on 7th St. Make last left into Kirkwood Office Tower parking lot. Zimmerman Law is on the 6th floor, STE 607. What's Nearby? Distance: 5 10 15 20 25 50 mi.