We're here to help you
We want to hear from you. Below are some of the ways you can get in touch with us.
Browse our help topics
Get answers to frequently asked questions about your online account, bills, payments, energy savings and more.
Call us
Customer Service: 1-800-4NIPSCO
(1-800-464-7726)
Monday - Friday, 7 a.m. - 7 p.m. CT.
Gas Emergencies: 1-800-634-3524
24/7
Electric Outages or Emergencies:
1-800-464-7726
24/7
TDD/TTY
Relay: 1-800-635-0952
Send us a document
Need to send us a picture of your ID or some other document? You can use our document upload form below or send us a fax.
Fax us
Mail us
For payments
NIPSCO
P.O. Box 13007
Merrillville, IN 46411
For customer service
NIPSCO
801 E. 86th Avenue
Merrillville, IN 46410
For legal notices
Corporation Service Company
135 North Pennsylvania Street, Suite 1610
Indianapolis, IN 46204
Connect with us
Facebook
Follow us to stay updated on news and events.
Twitter
Join our conversation, share your thoughts and questions.
LinkedIn
Learn about what makes us great – our employees.
Download the NIPSCO mobile app today!
Request a rate analysis
If you're a business customer, you can get a free rate analysis. Email BusinessLink@NiSource.com with your company name, customer name, address, phone number, account number and meter number.