McKenzie County Bank Address: 500 2nd Ave SW, Watford City, ND 58854 Phone: (701) 444-6411 Banks Other Businesses: BNC National Bank at 205 N Main St, Watford City, ND 58854 Watford City Bancshares Inc at 100 N Main St, Watford City, ND 58854 Rocky Mountain at 12290 26f St NW, Watford City, ND 58854 Mountain Plains LLC at 12478 22nd St NW, Watford City, ND 58854