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Contact Customer Care
If you need to contact us regarding an issue or concern, please call us at one of the numbers listed below.

Online Inquiry Click here to review our FAQs or to send an e-mail inquiry to our Customer Care Center.

Automated Action Line 24 hours a day, 7 days a week 1-800-676-7052
  • Account Balance
  • Payment Options
  • Payment Agencies
  • Next Meter Read Date

General Customer Service Inquiries Monday – Friday 7 a.m. to 7 p.m., Saturday 7 a.m. to 4 p.m., 1-800-7-CALL-UI (1-800-722-5584), (Fax) 1-203-499-5973

General Collection Inquiries Monday – Friday 7 a.m. to 7 p.m., Saturday 7 a.m. to 4 p.m., 1-800-442-5004, (Fax) 1-203-499-2411, (Fax) 1-203-499-3709
  • Hardship
  • Payment Arrangements
  • Financial Assistance
  • Medical

Mailing Address The United Illuminating Company P.O. Box 1564 New Haven, CT 06506-0901