Contact Us


Phone Numbers

Hearing Impaired: Dial 711


 Emergency (24x7)


Customer Care
Toll Free: 800.722.5584
Live Support Hours:
Mon-Fri 7:00 a.m. - 7:00 p.m.
Self-Service Automated Phone Support 24x7
Fax: 203.499.5973  


Mail a Payment

The United Illuminating Company
P.O. Box 847818
Boston, MA 02284-7818


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.