UI Company Customer Service Number

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Find Official Address of UI Company:

157 Church St #16, New Haven, Connecticut, 06510, United States

Send your email to UI Company at the above address or you can personally visit the place on the given address.

The Email Address to Send Email to UI Company:

Communicate with UI Company through the email address displayed above for any query, help, suggestion and feedback.

Call UI Company on the Helpline Number:

+1 203-499-2000 (Call by Touch)

Pick up your phone and call UI Company on the specified contact number.

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Know More from their Website:


Open www.uinet.com website and get all required information from there.

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What is UI Company?

United Illuminating Company is one of the largest providers of electric utility services in the United States. The name was given as United Illuminating Company in the year of 1899. It is a New Haven-based regional electric distribution company that is wholly owned subsidiary of UIL Holdings Corporation. The company is engaged with purchase, distribution, transmission and sale of electricity.


The United Illuminating Company is specialized in retail and commercial Energy and home efficiency products and services that are the most significant companies in the United States. The company provides energy to more than 325,000 customers across the world. It is the fast growing company that serves in more than 17 towns and cities. The company serves commercial, residential and industrial customers in the Bridgeport and Greater New Haven. It has near about 324,000 customers in the world.

Transmission Business

UI's transmission business unit was established in the year of 2006 that achieve growth through pursuing, capturing and identifying transmission opportunities to enhance the reliability and market efficiency.

Headquarter and Customer Services

The head office of the company is located in Orange, Connecticut in the United States of America. The company traded on the New York Exchange under the symbol UIL. There are more than five thousand employees working in the United Illuminating Company. The customer services are available from Monday to Friday: 9:00 am to 5:30 pm.

Contact UI Company

UI Company resides at 157 Church St #16, New Haven, Connecticut, 06510, United States provides here all the necessory details like helpDesk helpline numbers i.e. +1 203-499-2000 by which customers can reach to UI Company easily. Here on this page you can get customer service toll free helpline number of UI Company.
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Go to UI Company website that is www.uinet.com and get more information from there.

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UI Company Phone Number, Contact Address, Customer Service