Updated February 24, 2021 – Below you will find the key information you need as a Central Maine Power (CMP) customer to access your account online, make payments, and reach customer service for further assistance.
Online Account Access
Customer Service – Help & Pay By Phone
- The Central Maine Power customer service phone number for payments is 800-750-4000.
Central Maine Power Company
PO Box 847810
Boston, MA 02284-7810
In Person Payments
- You can also pay your CMP bill at many local Walmart stores and other authorized payment agencies. Go here for a list.