Is Sioux Falls the largest city in South Dakota?

Yes. Sioux Falls is South Dakota's most populous city with over 200,000 residents, nearly ten times larger than the capital city of Pierre.

Does South Dakota have income tax?

No. South Dakota has no state personal income tax, making Sioux Falls attractive for businesses and individuals seeking tax advantages.

What major employers are in Sioux Falls?

Sanford Health (10,000+), Avera Health, Citibank, Wells Fargo, Smithfield Foods, and state/local government are major Sioux Falls employers.

Can I get a Sioux Falls phone number for my business?

Yes. Phone2 offers local Sioux Falls numbers with the 605 area code, establishing your business in South Dakota's largest city with its tax advantages.

Sioux Falls Phone Numbers

Get a Sioux Falls, SD Phone Number

Sioux Falls is South Dakota's largest city and one of America's fastest-growing metros, offering no state income tax and a thriving business environment. The city serves as the region's healthcare capital with Sanford Health (headquartered here) and Avera Health employing tens of thousands. Financial services flourish thanks to favorable banking laws, while the city's low cost of living attracts both businesses and families.

Area Code

605

State

Population

203,545

Timezone

America/Chicago

Last updated: July 26, 2025

Sioux Falls, SD

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Business in Sioux Falls

Sioux Falls combines no state income tax with low costs and high quality of life, driving consistent population and job growth. Sanford Health (10,000+ local employees) and Avera Health anchor healthcare. Major credit card operations (Citibank, Wells Fargo) and financial services benefit from South Dakota's favorable banking regulations. Food processing and agribusiness leverage regional agriculture.

Why Choose Phone2 for Sioux Falls?

A Sioux Falls phone number with area code 605 connects your business to South Dakota's economic engine and one of America's fastest-growing cities. No income tax, major healthcare and financial employers, and exceptional quality of life make Sioux Falls increasingly attractive.

Key Industries in Sioux Falls

Healthcare

Sanford Health (headquartered in Sioux Falls with 10,000+ local employees) and Avera Health are the region's dominant healthcare providers and employers.

Financial Services

Citibank, Wells Fargo, and other financial institutions maintain major operations in Sioux Falls, benefiting from South Dakota's favorable banking laws.

Food Processing

Smithfield Foods, POET ethanol, and other processors add value to regional agricultural production, supporting thousands of manufacturing jobs.

Customer Stories

What our users are saying

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Boundary maintained

A separate practice number was essential for healthy boundaries. Patients reach me professionally, and my personal phone stays personal. Peace of mind.

Pawan Sharma

Private Therapist, Private Practice

Frequently Asked Questions about Sioux Falls

Sioux Falls uses area code 605, which serves the entire state of South Dakota. This single area code covers all South Dakota communities.

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