Internet providers in Charleston, South Carolina 29401
ZIP code 29401 is in Charleston, Charleston County, South Carolina. Compare the major providers below, then check availability for your address.
Internet in Charleston 29401: local snapshot
About 94% of the 4,087 households in 29401 have a broadband subscription, 8 points above the South Carolina average of 87%. That ranks 29401#32 of 395 ZIP codes in South Carolina for broadband adoption. Very few households (3%) are offline, suggesting internet service is widely used in this area.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023). These figures describe the area, not the providers available at your address.
Compare internet providers in Charleston, South Carolina
Share of residential locations in Charleston where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Xfinity | Cable | 92% | |
| 2 | AT&T | Fiber, DSL, Fixed wireless | 85% | Check availability |
| 3 | T-Mobile Home Internet | Fixed wireless | 76% | |
| 4 | Verizon | Fiber, Fixed wireless | 71% | Check availability |
| 5 | WOW! | Fiber, Cable | 37% | |
| 6 | Home Telephone Company, Inc. (SC) | Fiber, Cable | 9% | |
| 7 | IQ Fiber Intermediate Holdings | Fiber | <1% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What technologies are available in Charleston?
Fiber reaches about 45% of locations in Charleston, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 67% of locations. Fixed wireless home internet is reported for about 85% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Charleston that providers report they can serve. City-level figures, not your address.
What to know about internet in Charleston 29401
Xfinity reports service to the most residential locations in Charleston, about 92%. 4 providers report coverage of at least half of locations (Xfinity, AT&T, T-Mobile Home Internet, and Verizon), so the market looks competitive. T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
Broadband adoption in 29401 (94%) is higher than the Charleston average of 89%. By median household income, 29401 ranks 4 of 7 ZIP codes in Charleston. The median age of residents is 34.
Frequently asked questions
Is fiber internet available in Charleston?
Yes, in part. About 45% of residential locations in Charleston can get fiber, 91% can get cable, and about 67% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Charleston?
Xfinity reports service to about 92% of residential locations in Charleston, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Charleston?
6 providers report service to at least 2% of locations in Charleston, and 4 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Charleston 29401?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Other ZIP codes in Charleston
Internet providers near Charleston
- Mount Pleasant, SC (6 mi)
- James Island, SC (7 mi)
- Hanahan, SC (7 mi)
- North Charleston, SC (8 mi)
- Goose Creek, SC (12 mi)
- Ladson, SC (15 mi)
- Summerville, SC (17 mi)
- Moncks Corner, SC (24 mi)
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