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Best Internet Providers in Castlewood, SD for You

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Top 9 Internet Service Providers in Castlewood, SD

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1. Viasat

100% Available
Download speeds up to:
12 Mbps Satellite
Prices Starting At 69.99/mo *
*Price shown includes promotion; Get $30/mo. off for first 3 months. For new customers only. You must mention this offer when ordering service to receive the discount.
100% Available

2. T-Mobile Home Internet

29.2% Available
Download speeds from:
87 - 415 Mbps 5G Internet
Prices Starting At 50.00/mo *
*With AutoPay, taxes and fees included.

Rely plans can experience fast speeds with T-Mobile’s latest 5G gateway, delivering typical download speeds between 87 Mbps– 318 Mbps. All-In and Amplified Internet plans can experience fast speeds with T-Mobile’s latest 5G gateway, delivering typical download speeds between 133 Mbps – 415 Mbps. 25% of our customers see speeds below and 25% see speeds above these ranges. T-Mobile Home Internet is delivered via 5G cellular network and speeds vary due to factors affecting cellular networks. See https://t-mobile.com/OpenInternet for additional details.

29.2% Available

3. Mediacom

42.7% Available
Download speeds up to:
1 Gbps Cable
Prices Starting At 50.00/mo
42.7% Available

4. HughesNet

100% Available
Download speeds up to:
100 Mbps Satellite
Prices Starting At 39.99/mo
100% Available

5. CenturyLink

100% Available
Download speeds up to:
80 Mbps DSL
Prices Starting At 55.00/mo *
100% Available

6. XNET WiFi

35.1% Available
Download speeds up to:
2 Gbps Fixed Wireless
Prices Starting At 65.00/mo
35.1% Available

7. Interstate Telecommunications Cooperative

98.9% Available
Download speeds up to:
1 Gbps Fiber
Prices Starting At 64.95/mo *
*Service order fee is $20.
98.9% Available

8. LTD Broadband

15.5% Available
Download speeds up to:
150 Mbps Fixed Wireless
Prices Starting At 70.00/mo
15.5% Available

9. Starlink

100% Available
Download speeds up to:
350 Mbps Satellite
Prices Starting At 49.00/mo
100% Available

Best Internet Providers in Castlewood

When shopping for the best internet in Castlewood, SD, fiber is the top choice. It's fast and reliable, and in Castlewood, the Interstate Telecommunications Cooperative is your go-to provider. With a coverage of 99.2% and blazing speeds of up to 1 Gbps, it's perfect for streaming, gaming, or simply surfing the web without interruptions. Plus, it starts at $64.95 per month.

If fiber isn't quite right for you, consider cable internet next. Mediacom offers a solid option in Castlewood. With coverage of 40.8% and speeds also reaching up to 1 Gbps, it's an excellent alternative. It's especially ideal if you're looking for something pocket-friendly, with prices starting at just $19.99 per month.

Internet Provider Store Locations in Castlewood

Compare Internet Providers in Nearby Cities:

Badger, Brandt, Clear Lake, Estelline, Goodwin, Hayti, Hazel, Kranzburg, Lake Norden, Watertown

Average download speed in Castlewood:

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Best Internet Provider in Castlewood

  1. Viasat - Most internet coverage in Castlewood
  2. T-Mobile Home Internet - 5g internet up to 415 Mbps
  3. Mediacom - Most Cable availability
  4. HughesNet - Another great satellite internet alternative for those who can't get Cable, Fiber, or DSL
  5. CenturyLink - Widely available and most DSL availability
  6. XNET WiFi - Fast download speeds in Castlewood
  7. Interstate Telecommunications Cooperative - Coverage and most Fiber availability
  8. LTD Broadband - Fixed wireless up to 150 Mbps
  9. Starlink - Availability

Fastest Internet Providers in Castlewood

How Much Speed Do I Need?

25+ Mbps

  • Web Surfing & Email
  • HD Streaming
  • Supports 1-2 Devices
  • Ideal for 1-2 people

100+ Mbps

  • Ultra HD (4K) Streaming
  • Low Lag Online Gaming
  • Supports 3-5 Devices
  • Ideal for 2-6 people

1 Gig

  • Multi 4K HD Streaming
  • No Lag Online Gaming
  • Supports more than 5 Devices
  • Ideal for 6+ people

An Overview of Internet Providers in Castlewood By Connection

Provider Connection Download speeds up to Availability
CenturyLink DSL 100 Mbps 100%
Interstate Telecommunications Cooperative Fiber 1 Gbps 99%
Midco Fixed Wireless 100 Mbps 9%
Mediacom Cable 1 Gbps 43%
WispWest.net Fixed Wireless 200 Mbps 7%
LTD Broadband Fixed Wireless 500 Mbps 15%
HughesNet Satellite 100 Mbps 100%
Viasat Satellite 150 Mbps 100%
AT&T 5G Internet 300 Mbps 7%
Starlink Satellite 350 Mbps 100%
T-Mobile Home Internet 5G Internet 415 Mbps 29%
XNET WiFi Fixed Wireless 2 Gbps 35%
Provider Connection Download speeds up to Availability
CenturyLink DSL 80 Mbps 100%
HughesNet Satellite 100 Mbps 100%
Viasat Satellite 12 Mbps 100%
T-Mobile Home Internet 5G Internet 100 Mbps 29%

Popular Zip Codes in Castlewood, SD:

Internet Availability by Connection Type in Castlewood

Internet service providers in Castlewood use different methods for connecting their customers to the web. Connection types matter, so choose wisely. Fiber is generally the fastest and most reliable option, followed by cable, DSL and 5G home internet.

Fiber - 44%

What is Mbps?

Mbps is the abbreviation for megabits per second, and it also appears written as Mbits/sec. Internet providers use megabits per second to measure speeds. Broadband speeds are 25 Mbps or faster. Learn more about Mbps.

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