Internet providers in Clarksburg, MD
Clarksburg is a census-designated place (an unincorporated community) in Maryland with about 29,246 residents and roughly 11,397 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Clarksburg, MD
Share of residential locations in Clarksburg 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 | 99%+ | |
| 2 | Verizon | Fiber, Fixed wireless | 99% | Check availability |
| 3 | T-Mobile Home Internet | Fixed wireless | 79% | |
| 4 | AT&T | Fiber, DSL, Fixed wireless | 46% | Check availability |
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 to know about internet in Clarksburg
Xfinity reports service to the most residential locations in Clarksburg, about 100%. 3 providers report coverage of at least half of locations (Xfinity, Verizon, and T-Mobile Home Internet), so the market looks competitive. T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Clarksburg?
Fiber is widely available: about 99% of locations in Clarksburg can get it. Gigabit-class service (1,000 Mbps down) is reported for about 80% of locations. Fixed wireless home internet is reported for about 73% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Clarksburg that providers report they can serve. City-level figures, not your address.
Clarksburg at a glance
About 98% of households in Clarksburg have a broadband subscription, 7 points above the Maryland average of 91%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Clarksburg
- Germantown, MD (3 mi)
- Montgomery Village, MD (4 mi)
- Damascus, MD (5 mi)
- Gaithersburg, MD (6 mi)
- Urbana, MD (8 mi)
- North Potomac, MD (9 mi)
- Redland, MD (9 mi)
- Rockville, MD (11 mi)
- Travilah, MD (11 mi)
- Olney, MD (12 mi)
- Aspen Hill, MD (13 mi)
- Linganore, MD (13 mi)
- Leisure World, MD (13 mi)
- Ballenger Creek, MD (14 mi)
- Cascades, VA (14 mi)
- Great Falls, VA (15 mi)
- Potomac, MD (15 mi)
- North Bethesda, MD (15 mi)
- Glenmont, MD (16 mi)
- Wheaton, MD (16 mi)
Frequently asked questions
Is fiber internet available in Clarksburg?
Yes, in part. About 99% of residential locations in Clarksburg can get fiber, 100% can get cable, and about 80% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Clarksburg?
Xfinity reports service to about 100% of residential locations in Clarksburg, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Clarksburg?
4 providers report service to at least 2% of locations in Clarksburg, and 3 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 Clarksburg?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
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