Contact MISO
Office Locations and Numbers

Corporate Headquarters
720 City Center Drive
Carmel, IN  46032-3826
317-249-5400

North Region Operations Center
2985 Ames Crossing Road,
Eagan, MN  55121
651-632-8400

South Region Operations Center
1700 Centerview Drive
Little Rock, AR  72211
|501-244-1500

Business Hours

Monday through Friday, 8:00 a.m. to 5:00 p.m. local time.  For assistance after hours, call 1-866-296-6476, option 1.

Suppliers and Vendors

Learn more about our Supplier Diversity program and how to participate.

Where to Stay, What to Do

Explore Carmel

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Conveniently located just a 30-minute drive from Indianapolis International Airport, MISO’s Carmel office offers easy access to some of the best attractions in the area. Just a few miles away, you’ll find Carmel’s vibrant Arts and Design District, the open-air Clay Terrace lifestyle center, and the upscale Fashion Mall at Keystone.

The surrounding area is rich with experiences, from indoor and outdoor shopping to dining options ranging from casual eateries to fine dining. For entertainment, experience world-class music at the acoustically renowned Palladium and performances at Booth- Tarkington Civic Theatre. Looking to get outside? Take a bike ride, walk, or jog along the scenic Monon Trail. You can also explore Indianapolis—known as Circle City—home to the NFL Colts, NBA Pacers, and live performances at the Murat Theatre Old National Center. While downtown, take in the iconic Soldiers and Sailors Monument

Several hotels nearby offer MISO corporate discounts, ensuring comfortable accommodations during your visit. Check out a few of the options below. You must call in order to get the discount:  

Explore Eagan

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MISO’s Eagan office sits in the Boulder Lakes Business Park Complex, just five miles north of downtown Eagan. For easy access to rail transport and the Mall of America, plan to stay near the airport. Families love Eagan – home of the “Heavyweight Champion of Cool” – for its Hennepin Theater District and Cascade Bay Waterpark.  

Explore museums like the Walker Art Center and get tickets for sporting events like hockey, baseball or NFL games. Eagan is fit for a short business trip, a weekend family getaway or both at once.  

Explore Little Rock

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Little Rock’s vibrant  River Market District is the heart of downtown, offering a lively mix of food vendors, unique shops, and live entertainment. It’s the perfect spot to enjoy a meal, catch up with friends, or simply soak in the city’s energy.

While in town, cheer on Arkansas’ minor league baseball team, the Arkansas Travelers, at Dickey-Stephens Park, or explore the rich history and political legacy at the  Clinton Presidential Library. Dive into The Natural State’s culture and history at local museums, and don’t miss the chance to savor authentic Arkansas BBQ at iconic spots like Doe’s Eat Place.

From delicious eats to unforgettable experiences, Little Rock offers something special for everyone!

Ask for the MISO corporate discount at any of the following hotels:  

Offices Closed Date
New Year's Day January 1
Martin Luther King Day January 15
President's Day February 19
Memorial Day May 27
Independence Day July 4
Labor Day September 2
Thanksgiving Day November 28
Day after Thanksgiving November 29
Christmas Eve December 24
Christmas Day December 25
Offices Closed Date
New Year's Day January 1
Martin Luther King Day January 20
President's Day February 17
Memorial Day May 26
Independence Day July 4
Labor Day September 1
Thanksgiving Day November 27
Day after Thanksgiving November 28
Christmas Eve December 24
Christmas Day December 25