How do i contact pepco customer service? For more assistance, contact your site administrator. Report downed wires and life-threatening emergencies by calling Pepco at 1-877-PEPCO-62 (877-737-2662). This number is available 24 hours a day, 7 days a week. Find contact details for customer service, assistance programs and more.How do i report a downed wire to pepco? Report downed wires and life-threatening emergencies by calling Pepco at 1-877-PEPCO-62 (877-737-2662). This number is available 24 hours a day, 7 days a week. Find contact details for customer service, assistance programs and more. Our Social Media team is here to help.What is the helppepco energy assistance program? Pepco works closely with state, federal, and nonprofit partners to ensure they have the information and support they need to help customers manage their energy expenses during times of hardship. LIHEAP, the Low-Income Home Energy Assistance Program.What is the history of pepco? Pepco’s history dates back to 1896. Not only does Pepco provide safe and reliable electric service to approximately 842,000 customers in Maryland and Washington, D.C., but the energy company has also committed to giving back to the community it serves and sustainability.