Van Wyhe Law Firm & Mediation Center, PLC Google Map 1720 Summit St, Sioux City, IA 51105 Van Wyhe Law Firm & Mediation Center, PLC info Address: 1720 Summit St, Sioux City, IA 51105 Website: siouxcitydivorcelawyer.com Telephone: (712) 212-9101 Zipcode: 68732 City: Dixon State: Nebraska Work Time: Sunday Closed,Monday 8:30AM–5PM,Tuesday 8:30AM–5PM,Wednesday 8:30AM–5PM,Thursday 8:30AM–5PM,Friday 8:30AM–5PM,Saturday Closed