Internet providers in Catonsville, MD
Catonsville is a census-designated place (an unincorporated community) in Maryland with about 42,717 residents and roughly 17,790 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Catonsville, MD
Share of residential locations in Catonsville 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 | 95% | |
| 2 | Verizon | Fiber, Fixed wireless | 92% | Check availability |
| 3 | AT&T | Fiber, DSL, Fixed wireless | 81% | Check availability |
| 4 | T-Mobile Home Internet | Fixed wireless | 75% | |
| 5 | Believe Wireless | Fixed wireless | 75% | |
| 6 | ALTIUS Communications | Fixed wireless | 9% |
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 Catonsville
Xfinity reports service to the most residential locations in Catonsville, about 95%. 5 providers report coverage of at least half of locations (Xfinity, Verizon, AT&T, T-Mobile Home Internet, and Believe Wireless), so the market looks competitive. T-Mobile Home Internet and Believe Wireless offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Catonsville?
Fiber is widely available: about 87% of locations in Catonsville can get it. Gigabit-class service (1,000 Mbps down) is reported for about 53% of locations. Fixed wireless home internet is reported for about 88% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Catonsville that providers report they can serve. City-level figures, not your address.
Catonsville at a glance
About 87% of households in Catonsville have a broadband subscription, 5 points below the Maryland average of 91%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Catonsville
- Woodlawn, MD (3 mi)
- Arbutus, MD (3 mi)
- Ilchester, MD (4 mi)
- Elkridge, MD (5 mi)
- Ellicott City, MD (5 mi)
- Linthicum, MD (6 mi)
- Lochearn, MD (6 mi)
- Milford Mill, MD (6 mi)
- Brooklyn Park, MD (7 mi)
- Baltimore, MD (7 mi)
- Columbia, MD (8 mi)
- Ferndale, MD (8 mi)
- Randallstown, MD (8 mi)
- Pikesville, MD (9 mi)
- Severn, MD (9 mi)
- Garrison, MD (10 mi)
- Glen Burnie, MD (10 mi)
- Owings Mills, MD (10 mi)
- North Laurel, MD (11 mi)
- Towson, MD (11 mi)
Frequently asked questions
Is fiber internet available in Catonsville?
Yes, in part. About 87% of residential locations in Catonsville can get fiber, 95% can get cable, and about 53% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Catonsville?
Xfinity reports service to about 95% of residential locations in Catonsville, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Catonsville?
6 providers report service to at least 2% of locations in Catonsville, 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 Catonsville?
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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