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Best Internet Providers in Castlewood, SD

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Top 7 Internet Service Providers in Castlewood, SD

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1. Mediacom

40.8% Available
Download speeds up to:
1 Gbps Cable
Prices Starting At 19.99/mo *
*Plus installation, activation, modem rental, taxes & fees. Advertised price includes a $10/mo credit for autopay & paperless billing.
40.8% Available

2. Viasat

100% Available
Download speeds up to:
12 Mbps Satellite
Prices Starting At 69.99/mo
100% Available

3. T-Mobile Home Internet

21.5% Available
Download speeds from:
72 - 245 Mbps 5G Internet
Prices Starting At 60.00/mo *
*With AutoPay, taxes and fees included.
21.5% Available

4. HughesNet

100% Available
Download speeds up to:
100 Mbps Satellite
Prices Starting At 49.99/mo
100% Available

5. Interstate Telecommunications Cooperative

99.2% Available
Download speeds up to:
1 Gbps Fiber
Prices Starting At 64.95/mo
99.2% Available

6. LTD Broadband

30.7% Available
Download speeds up to:
150 Mbps Fixed Wireless
Prices Starting At 70.00/mo
30.7% Available

7. Starlink

100% Available
Download speeds from:
50 - 220 Mbps Satellite
Prices Starting At 120.00/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:

61 Mbps

Based on 2,080 speed tests

Best Internet Provider in Castlewood

  1. Mediacom - Fast download speeds in Castlewood and most Cable availability
  2. Viasat - Most internet coverage in Castlewood
  3. T-Mobile Home Internet - 5g internet up to 245 Mbps
  4. HughesNet - Another great satellite internet alternative for those who can't get Cable, Fiber, or DSL
  5. Interstate Telecommunications Cooperative - Fast speeds, widely available and most Fiber availability
  6. LTD Broadband - Fixed wireless up to 150 Mbps
  7. Starlink - Coverage

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
Interstate Telecommunications Cooperative Fiber 1 Gbps 99%
Midco Fixed Wireless 100 Mbps 8%
Mediacom Cable 2 Gbps 41%
LTD Broadband Fixed Wireless 500 Mbps 31%
HughesNet Satellite 100 Mbps 100%
Viasat Satellite 150 Mbps 100%
Starlink Satellite 220 Mbps 100%
T-Mobile Home Internet 5G Internet 245 Mbps 22%
Always ON Fixed Wireless 25 Mbps 2%
Provider Connection Download speeds up to Availability
HughesNet Satellite 100 Mbps 100%
Viasat Satellite 12 Mbps 100%
Starlink Satellite 220 Mbps 100%
Interstate Telecommunications Cooperative Fiber 1 Gbps 99%
Midco Fixed Wireless 100 Mbps 8%
LTD Broadband Fixed Wireless 150 Mbps 31%
T-Mobile Home Internet 5G Internet 100 Mbps 22%
CenturyLink DSL 10 Mbps 1%

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%
Cable - 1%
DSL - 1%

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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