Hours Of Operations Otter Tail Power Company North Dakota Hankinson Otter Tail Power Company Hours of Operation and Locations in Hankinson, ND 4.8 - 14 votes 1 Locations in Hankinson www.otpco.com Otter Tail Power Company Hours Category: Home & Garden Otter Tail Power Company - Hankinson, ND 58041 309 1st Ave Se(701) 242-7251 View Store Details Recommend For You Peoples Gas Pepco Runnings Farm & Fleet Tucson Electric Power United Power Urgent Care of Connecticut Aero Energy Bellagio Salon Blind Barber Dairyland Power Cooperative