Interstate Power & Light headquarters details
- Street address
- 200 1st St SE
- City
- Cedar Rapids
- State / region
- Iowa
- ZIP / postal code
- 52401-1409
- Country
- United States
- Phone
- +1 319 786 4411
- Founded
- 1925
- Website
- iplc.com
- Stock
- NYSE: IPL-D
- linkedin.com/company/iplc-com
Location map
Open in Google MapsAll Interstate Power & Light office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Cedar Rapids HQ | Iowa | United States | Headquarters |
Showing the headquarters of 23 recorded locations. See every location in GraphIQ →
About Interstate Power & Light
Interstate Power & Light (NYSE: IPL-D) is headquartered in Cedar Rapids, Iowa, United States. Founded in 1925, the company has 23 recorded locations and employs approximately 1,700 people worldwide.
Where is Interstate Power & Light's main office?
Interstate Power & Light's main headquarters office is located at 200 1st St SE, Cedar Rapids, Iowa 52401-1409, United States. This is the company's primary corporate address.
Interstate Power & Light regional offices
Beyond its headquarters in Cedar Rapids, Interstate Power & Light has recorded locations in United States.
Interstate Power & Light contact information
The main switchboard for Interstate Power & Light headquarters can be reached at +1 319 786 4411. Official website: iplc.com.
What does Interstate Power & Light do?
Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL) are Alliant Energy's two utility subsidiaries. Our utilities provide safe, reliable, affordable and environmentally sound electric and natural gas services to approximately one million electric and 418,000 natural gas customers in the upper Midwest.
Frequently asked questions
Where is Interstate Power & Light headquarters?
Interstate Power & Light's headquarters is located at 200 1st St SE, Cedar Rapids, Iowa 52401-1409, United States.
How many offices does Interstate Power & Light have?
GraphIQ records 23 locations for Interstate Power & Light, as of October 2026.
What is Interstate Power & Light's corporate address?
The corporate headquarters address is 200 1st St SE, Cedar Rapids, Iowa 52401-1409, United States.
When was Interstate Power & Light founded?
Interstate Power & Light was founded in 1925 and employs approximately 1,700 people.
What is Interstate Power & Light's phone number?
The main phone number for Interstate Power & Light headquarters is +1 319 786 4411.
How many employees does Interstate Power & Light have?
Interstate Power & Light has approximately 1,700 employees (GraphIQ estimate, 2026).
Is Interstate Power & Light a public company?
Yes. Interstate Power & Light is publicly traded on NYSE under the ticker IPL-D.