Internet providers in North Charleston, South Carolina 29420
ZIP code 29420 is in North Charleston, Dorchester County, South Carolina. Compare the major providers below, then check availability for your address.
Internet in North Charleston 29420: local snapshot
About 90% of the 9,068 households in 29420 have a broadband subscription, 3 points above the South Carolina average of 87%. That ranks 29420#86 of 395 ZIP codes in South Carolina for broadband adoption. A notable share of households rely on satellite internet, a common sign that wired service is patchy in parts of this ZIP.
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 North Charleston, South Carolina
Share of residential locations in North 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 | 79% | |
| 2 | T-Mobile Home Internet | Fixed wireless | 73% | |
| 3 | AT&T | Fiber, DSL, Fixed wireless | 71% | Check availability |
| 4 | Verizon | Fiber, Fixed wireless | 66% | Check availability |
| 5 | WOW! | Fiber, Cable | 57% | |
| 6 | Spectrum | Fiber, Cable | 20% | |
| 7 | Home Telephone Company, Inc. (SC) | Fiber, Cable | 6% |
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 North Charleston?
Fiber reaches about 34% of locations in North Charleston, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 65% of locations. Fixed wireless home internet is reported for about 83% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in North Charleston that providers report they can serve. City-level figures, not your address.
What to know about internet in North Charleston 29420
Xfinity reports service to the most residential locations in North Charleston, about 79%. 5 providers report coverage of at least half of locations (Xfinity, T-Mobile Home Internet, AT&T, Verizon, and WOW!), 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 29420 (90%) is higher than the North Charleston average of 84%. By median household income, 29420 ranks 2 of 4 ZIP codes in North Charleston. The median age of residents is 35.
Frequently asked questions
Is fiber internet available in North Charleston?
Yes, in part. About 34% of residential locations in North Charleston can get fiber, 95% can get cable, and about 65% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in North Charleston?
Xfinity reports service to about 79% of residential locations in North Charleston, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve North Charleston?
7 providers report service to at least 2% of locations in North Charleston, and 5 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 North Charleston 29420?
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 North Charleston
Internet providers near North Charleston
- Hanahan, SC (4 mi)
- Goose Creek, SC (6 mi)
- Ladson, SC (7 mi)
- Charleston, SC (8 mi)
- Summerville, SC (9 mi)
- Mount Pleasant, SC (14 mi)
- James Island, SC (15 mi)
- Moncks Corner, SC (18 mi)
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