Contact Us
Phone Numbers
Hearing Impaired: Dial 711
Emergency:
Toll Free: 866.924.5325
Greater Hartford: 860.246.5325
Greenwich: 203.869.6913
Customer Care
Greater Hartford: 860.524.8361
Live Support Hours: Mon-Fri 8 a.m. - 6 p.m.
Self-Service Automated Phone Support 24x7
Greenwich: 203.869.6900
General Information
Greater Hartford: 860.727.3000
Greenwich: 888.264.2677
Meter Reading Phone Line
Greater Hartford: 860.727.3400
Greenwich: 800.437.0444
Mail a Payment
(Payments only)
Connecticut Natural Gas
P.O. Box 847820
Boston, MA 02284-7820
Property and Casualty Claim
Complete our online Property and Casualty Claim form
Have a question?
Search for questions with the Answers on our FAQs page , or submit your own question using the email form. Emails will receive a response within three (3) business days from receipt of message.