Nisource Headquarters Phone Number

What is Nisource headquarters phone number?

Nisource headquarters phone number where you can reach the executives and corporate departments is 219-647-5990.

When calling this Nisource headquarters phone number, please listen to the initial welcome message before being connected to the person you are looking to speak to at Nisource headquarters including CEO, VPs, executive management, sales department, finance and accounting, administration, human resources, marketing, Nisource customer service, support, operations, and logistics, legal, and all other departments.

Nisource Headquarters Address – What is Nisource headquarters address?

Nisource headquarters address wher you can send official mail to Nisource corporate office is:

Nisource headquarters address is 801 East 86Th Avenue, Merrillville, Indiana 46410-6271, USA.

Nisource Headquarters Office
Address: 801 East 86Th Avenue
City: Merrillville
State & Zip: Indiana 46410-6271
Country: USA

Recently, the Coronavirus has impacted companies nationwide including Nisource headquarters which continues to operate regularly while working with the guidelines and regulation of authorities of Indiana state and the city of Northeast Redmond. Nisource headquarters operating hours have not changed but it is recommended you keep track with the updates published on Nisource’s website and the news for hours of operation, restrictions, or lockdowns.

You are advised that this website provides you with the best Nisource headquarters phone number which may not be a toll-free phone number thus you may be charged by your phone company for the call according to your phone contract rates.

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