Internet providers in Frederick, Maryland 21704
ZIP code 21704 is in Frederick, Frederick County, Maryland. Compare the major providers below, then check availability for your address.
Internet in Frederick 21704: local snapshot
About 95% of the 6,136 households in 21704 have a broadband subscription, 3 points above the Maryland average of 91%. That ranks 21704#143 of 437 ZIP codes in Maryland for broadband adoption. Very few households (4%) 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 Frederick, Maryland
Share of residential locations in Frederick 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 | T-Mobile Home Internet | Fixed wireless | 70% | |
| 3 | Verizon | Fiber, Fixed wireless | 60% | Check availability |
| 4 | AT&T | Fiber, DSL, Fixed wireless | 55% | Check availability |
| 5 | Shenandoah Telecommunications | Fiber, Cable | 38% |
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 Frederick?
Fiber reaches about 44% of locations in Frederick, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 92% of locations. Fixed wireless home internet is reported for about 76% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Frederick that providers report they can serve. City-level figures, not your address.
What to know about internet in Frederick 21704
Xfinity reports service to the most residential locations in Frederick, about 100%. 4 providers report coverage of at least half of locations (Xfinity, T-Mobile Home Internet, Verizon, and AT&T), 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 21704 (95%) is higher than the Frederick average of 93%. By median household income, 21704 ranks 1 of 4 ZIP codes in Frederick. The median age of residents is 38.
Frequently asked questions
Is fiber internet available in Frederick?
Yes, in part. About 44% of residential locations in Frederick can get fiber, 100% can get cable, and about 92% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Frederick?
Xfinity reports service to about 100% of residential locations in Frederick, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Frederick?
5 providers report service to at least 2% of locations in Frederick, 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 Frederick 21704?
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 Frederick
Internet providers near Frederick
- Ballenger Creek, MD (4 mi)
- Linganore, MD (6 mi)
- Urbana, MD (8 mi)
- Damascus, MD (16 mi)
- Clarksburg, MD (17 mi)
- Germantown, MD (20 mi)
- Montgomery Village, MD (20 mi)
- Hagerstown, MD (22 mi)