Desilvey Law Firm Google Map 215 State St, Muskogee, OK 74401 Desilvey Law Firm info Address: 215 State St, Muskogee, OK 74401 Website: Telephone: (918) 683-5050 Zipcode: 74455 City: Porum State: Oklahoma Work Time: Tuesday (New Year’s Eve) 9AM–5PM Hours might differ,Wednesday (New Year’s Day) 9AM–5PM Hours might differ,Thursday 9AM–5PM,Friday 9AM–5PM,Saturday Closed,Sunday Closed,Monday 9AM–5PM