Refine your search of 1 BEST Internet providers and 7 Internet plans in Duncan. Enter a location to find internet service providers (ISP) in your area.
What are the best Internet providers in Duncan for 2026?
Below is the list of top Internet providers in Duncan for 2025 - 2026.
- Spectrum (Best Availability)
Best Internet Providers in Duncan, SC
Charter Communications
Cable
Starting from $30/mo.
Up to 2 Gbps
- 100 Mbps - $30/mo for 1 year
- 500 Mbps - $40/mo. for 1 year
Duncan, South Carolina Internet Provider Availability
- About 100% of Duncan residents have access to 1 or more provider.
- About 99.8% of Duncan residents have access to 2 or more providers.
- About 48.66% of Duncan residents have access to 3 or more providers.
Best Internet Deals in Duncan, SC
Below is the list of best Internet deals available in Duncan area. Compare and choose the most suitable package for you and your family. And get special discounts for ordering online!
1. Spectrum 100 Mbps Internet
Spectrum
Speed:
Typical download speed: 113 Mbps
Typical upload speed: 104 Mbps
Typical latency: 22 ms
Typical download speed: 113 Mbps
Typical upload speed: 104 Mbps
Typical latency: 22 ms
Prices Starting At
$30.00/mo
Reg $50/mo
One-time Fees:
Installation Fee: $65 (professional install), $35 (self-install)
Late Payment Fee: Up to $8.95
Early Termination Fee: $0.00
Installation Fee: $65 (professional install), $35 (self-install)
Late Payment Fee: Up to $8.95
Early Termination Fee: $0.00
✅ Verified 1 month agoNo term contract
2. Spectrum 500 Mbps Internet
Spectrum
Speed:
Typical download speed: 572 Mbps
Typical upload speed: 525 Mbps
Typical latency: 22 ms
Typical download speed: 572 Mbps
Typical upload speed: 525 Mbps
Typical latency: 22 ms
Prices Starting At
$40.00/mo
Reg $80/mo
One-time Fees:
Installation Fee: $65 (professional install), $35 (self-install)
Late Payment Fee: Up to $8.95
Early Termination Fee: $0.00
Installation Fee: $65 (professional install), $35 (self-install)
Late Payment Fee: Up to $8.95
Early Termination Fee: $0.00
✅ Verified 1 month agoNo term contract
3. Spectrum 1 Gbps Internet
Spectrum
Speed:
Typical download speed: 1041 Mbps
Typical upload speed: 1010 Mbps
Typical latency: 22 ms
Typical download speed: 1041 Mbps
Typical upload speed: 1010 Mbps
Typical latency: 22 ms
Prices Starting At
$50.00/mo
Reg $100/mo
One-time Fees:
Installation Fee: $65 (professional install), $35 (self-install)
Late Payment Fee: Up to $8.95
Early Termination Fee: $0.00
Installation Fee: $65 (professional install), $35 (self-install)
Late Payment Fee: Up to $8.95
Early Termination Fee: $0.00
✅ Verified 1 month agoNo term contract
4. Spectrum 2 Gbps Internet
Spectrum
Speed:
Typical download speed: 2269 Mbps
Typical upload speed: 1049 Mbps
Typical latency: 22 ms
Typical download speed: 2269 Mbps
Typical upload speed: 1049 Mbps
Typical latency: 22 ms
Prices Starting At
$70.00/mo
Reg $120/mo
One-time Fees:
Installation Fee: $65 (professional install), $35 (self-install)
Late Payment Fee: Up to $8.95
Early Termination Fee: $0.00
Installation Fee: $65 (professional install), $35 (self-install)
Late Payment Fee: Up to $8.95
Early Termination Fee: $0.00
✅ Verified 1 month agoNo term contract
Frequently Asked Questions
Who has best Internet service in Duncan area?
Both Spectrum and AT&T are the best Internet Service Provider in Duncan. The best option for you will depend on your budget and needs. Spectrum offers speeds up
to 400 Mbps and is the best option for speed where it's available. AT&T is also good choice if you're looking for the fastest Internet service.
What is the fastest internet in Duncan?
AT&T is the fastest Fiber Internet Service Provider in Duncan. AT&T delivers fast, reliable internet
service in Duncan, South Carolina. AT&T offers speeds up to 1000 Mbps and is the best option for speed where it's available.
Who offers the cheapest internet service in Duncan, SC?
The cheapest Internet service in Duncan is $30 per month. Charter Communications offers 100Mbps Cable Internet for as low as $30 per month.
What Internet speed can I get in Duncan area?
- Internet download speed in Duncan ranges from 50 Mbps to 1000 Mbps. AT&T DSL Internet service offers up to 50 Mbps download speed and it is available to 97% of residents in Duncan, South Carolina. AT&T Fiber Internet service offers up to Mbps download speed and it is available to 27.5% of residents in Duncan, South Carolina.
- Internet upload speed in Duncan ranges from 10 Mbps to 1000 Mbps. AT&T DSL Internet service offers up to 10 Mbps upload speed and it is available to 97% of residents in Duncan, South Carolina. AT&T Fiber Internet service offers up to 1000 Mbps download speed and it is available to 27.5% of residents in Duncan, South Carolina.