CNG Connecticut Natural Gas Payment, Login, Customer Service


Updated June 30, 2020 – Below you will find the key information you need as a Connecticut Natural Gas (CNG) 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 CNG customer service phone number for payments in Greater Hartford is 860-524-8361. In Greenwich, the phone number is 203-869-6900.

Payment Address

The Connecticut Natural Gas Corporation
P.O. Box 847820
Boston, MA 02284-7820

In Person

You can pay at any Western Union location.