National Grid Customer Service

How to get in contact with National Grid

AddressNational Grid
P.O.Box 371376
PA 15250-7376 Pittsburgh
Phone number800 664 6729
Websitehttps://www.nationalgridus.com/
E-mailNot available
Contact formhttps://www.nationalgridus.com/contact-us
Get in contact with the National Grid customer service to take care of everything related to your contract. Have the information about your contract ready, like your contract number or customer number, so that National Grid can assign your call. You can manage things like your personal data yourself via the National Grid login.

National Grid Customer Service Number

Call 800 664 6729 to reach National Grid customer service number to speak with a representative.

National Grid Address

The National Grid customer service is also available by mail. Send your letter to the following postal address:

National Grid, P.O.Box 371376, PA 15250-7376 Pittsburgh

National Grid E-mail

The National Grid customer service is currently not available by email.

National Grid Contact Form

To contact National Grid, please the contact form on their website. The link to the contact form is as follows: https://www.nationalgridus.com/contact-us
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Last Update: 01/12/2023

All information about National Grid customer service was researched by our staff from public sources, including the National Grid website. All information provided without warranty.