Best Internet Providers in Sioux Falls, SD
Compare 9 internet providers serving 192,517 Sioux Falls residents. Fiber from CenturyLink and AT&T, 5G from T-Mobile and Verizon, plus satellite options for surrounding areas.
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CenturyLink 1-855-512-4817Quick Answer: Best Internet in Sioux Falls
CenturyLink Quantum Fiber is the best internet provider in Sioux Falls for most residents, offering symmetrical speeds up to 940 Mbps with no data caps. AT&T Fiber provides higher max speeds (up to 5 Gbps) with slightly less coverage. T-Mobile 5G is a strong wireless alternative at $40-50/month for areas where fiber has not yet arrived.
Key Takeaways
- Best fiber coverage: CenturyLink at ~62% with no data caps
- Fastest speeds: AT&T Fiber up to 5 Gbps (~51% coverage)
- Best wireless: T-Mobile 5G at $40-50/mo, no contract
- Best rural option: Viasat, HughesNet, or Starlink for fringe areas
- 9 providers: Strong competition for a Midwest metro
Sioux Falls Internet Providers Comparison
Verified February 2026. Coverage percentages based on FCC broadband data.
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Call Now |
|---|---|---|---|---|---|---|
| CenturyLink | Fiber / DSL | 940 Mbps | $30/mo | None (Fiber) | No | 1-855-512-4817 |
| AT&T Internet | Fiber / DSL | 5 Gbps | $55/mo | None (Fiber) | No | 1-855-850-5977 |
| T-Mobile 5G | 5G Fixed Wireless | 245 Mbps | $40-50/mo | None | No | 1-844-275-9311 |
| Verizon Fios / 5G | Fiber / 5G | 1 Gbps | $35/mo** | None | No | 1-855-387-1456 |
| HughesNet | Satellite | 100 Mbps | $39.99/mo | Limited | 2-year | 1-855-543-5405 |
| Viasat | Satellite | 150 Mbps | $39.99/mo | Unlimited*** | No | 1-855-463-9333 |
| Starlink | LEO Satellite | 250 Mbps | $120/mo | Soft cap | No | Online only |
**Verizon pricing with mobile bundle. ***Viasat Unleashed plan. Rise Broadband also serves limited areas.
Sioux Falls Internet Providers: Detailed Reviews
CenturyLink Internet in Sioux Falls
~62% CoverageCenturyLink (Quantum Fiber) is the leading fiber provider in Sioux Falls, delivering symmetrical speeds up to 940 Mbps with no data caps and no contracts. Their price-for-life guarantee means the rate you sign up at stays the same. Fiber plans start at $30/month.
Choose CenturyLink If:
- You want fiber with no data caps and guaranteed pricing
- You prefer symmetrical upload and download speeds
Avoid If:
- Only DSL is available at your address (much slower than fiber)
AT&T Internet in Sioux Falls
~51% CoverageAT&T provides fiber and DSL service to about half of Sioux Falls. Where fiber is available, plans reach up to 5 Gbps symmetrical with no data caps. AT&T Fiber is the fastest residential option in the city, ideal for heavy bandwidth households.
Choose AT&T If:
- You need multi-gig speeds for content creation or large households
- Fiber is available at your specific address
Avoid If:
- Only DSL (not fiber) is available at your address
T-Mobile 5G Home Internet in Sioux Falls
~54% CoverageT-Mobile 5G Home Internet offers a wireless alternative at $40-50/month with no contract and no data caps. Speeds typically range from 100-245 Mbps depending on tower proximity. The 5-Year Price Guarantee prevents rate hikes.
Choose T-Mobile If:
- You want contract-free service with predictable pricing
- Fiber is not available at your address
Avoid If:
- You need speeds above 300 Mbps or low latency for gaming
Sioux Falls Internet Speeds and Prices
| Speed Tier | CenturyLink | AT&T | Verizon | T-Mobile 5G |
|---|---|---|---|---|
| 300 Mbps | $50/mo | $55/mo | $35/mo** | $40-50/mo |
| 500 Mbps | $60/mo | $65/mo | $50/mo | - |
| 940 Mbps-1 Gbps | $70/mo | $80/mo | $75/mo | - |
| 2 Gbps | - | $110/mo | - | - |
| 5 Gbps | - | $180/mo | - | - |
How Much Speed Do You Need?
- 1-2 people: 100-300 Mbps for streaming and browsing
- 3-5 people: 500 Mbps for multiple streams and video calls
- Work from home + gaming: 1 Gbps for demanding applications
Learn more: How much speed do I need?
Internet Service in Sioux Falls: Local Overview
- Population: 192,517
- CBSA: 43620 (Sioux Falls)
- Fiber providers: CenturyLink, AT&T, Verizon Fios
- 5G providers: T-Mobile, Verizon
- Satellite providers: HughesNet, Viasat, Starlink
Sioux Falls is South Dakota's largest city and its broadband market reflects growing investment. CenturyLink has prioritized fiber expansion here through its Quantum Fiber program, and AT&T has built out fiber coverage to about half the metro. Multiple 5G wireless options round out the competition.
For addresses on the city's edge or in surrounding rural areas, satellite providers HughesNet, Viasat, and Starlink provide coverage where wired infrastructure has not yet reached. Rise Broadband offers fixed wireless in limited areas.
Internet by Sioux Falls Neighborhood
- Downtown/Cathedral District: Strong CenturyLink and AT&T fiber coverage
- Southeast Sioux Falls: CenturyLink fiber and T-Mobile 5G available
- West 41st Street corridor: Multiple providers compete
- Tea/Harrisburg (nearby): Growing coverage with AT&T and CenturyLink expanding
Frequently Asked Questions About Sioux Falls Internet
What is the best internet provider in Sioux Falls?
CenturyLink Quantum Fiber is the best for most residents with 62% coverage and no data caps. AT&T Fiber offers faster max speeds at 51% coverage.
Is fiber internet available in Sioux Falls?
Yes. CenturyLink covers about 62%, AT&T about 51%, and Verizon Fios about 35% of addresses with fiber service.
How much does internet cost in Sioux Falls?
Prices start at $30/month for CenturyLink and $40-50/month for T-Mobile 5G. Most households pay $50-80/month for mid-to-high tier speeds.
Is 5G home internet available in Sioux Falls?
Yes. T-Mobile covers about 54% and Verizon about 35% of the city with fixed wireless 5G service.
What is the fastest internet in Sioux Falls?
AT&T Fiber at up to 5 Gbps. CenturyLink Quantum Fiber reaches 940 Mbps with wider coverage.
Last Updated: February 7, 2026
Our team regularly reviews and updates this guide to ensure accuracy. Provider availability and pricing are verified quarterly.
Editorial Disclosure
InternetProviders.ai is committed to providing accurate, unbiased information. Some providers listed are partners who compensate us when you sign up through our links or phone numbers. This compensation may affect provider order but does not influence our ratings or recommendations. Our editorial team independently researches each provider. See our editorial guidelines and how we make money.
Internet Speed Requirements for Sioux Falls Households
The speed you need in Sioux Falls depends on how many people and devices use your connection simultaneously. A single person streaming video and browsing the web can get by with 50-100 Mbps. A household of 2-3 people with regular streaming and video calls should target 200-300 Mbps. Larger families with 4 or more heavy users benefit from 500 Mbps to 1 Gbps plans, especially when multiple people are streaming in 4K, gaming online, or working from home at the same time.
Upload speed matters just as much as download speed for Sioux Falls residents who work remotely. Video conferencing platforms like Zoom and Teams require at least 5 Mbps upload for stable HD video, and 10 Mbps or more for group calls with screen sharing. If multiple household members participate in video calls simultaneously, ensure your plan provides at least 20-25 Mbps upload speed. Fiber plans offer the best upload performance with symmetrical speeds.