Internet providers in Dundalk, Maryland 21222
ZIP code 21222 is in Dundalk, Baltimore County, Maryland. Compare the major providers below, then check availability for your address.
Internet in Dundalk 21222: local snapshot
About 87% of the 22,385 households in 21222 have a broadband subscription, 5 points below the Maryland average of 91%. That ranks 21222#334 of 437 ZIP codes in Maryland for broadband adoption.
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 Dundalk, Maryland
Share of residential locations in Dundalk 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 | 97% | Check availability |
| 3 | Believe Wireless | Fixed wireless | 92% | |
| 4 | T-Mobile Home Internet | Fixed wireless | 84% | |
| 5 | AT&T | Fiber, DSL, Fixed wireless | 55% | Check availability |
| 6 | ALTIUS Communications | Fixed wireless | 17% |
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 Dundalk?
Fiber is widely available: about 92% of locations in Dundalk can get it. Gigabit-class service (1,000 Mbps down) is reported for about 98% 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 Dundalk that providers report they can serve. City-level figures, not your address.
What to know about internet in Dundalk 21222
Xfinity reports service to the most residential locations in Dundalk, about 99%. 5 providers report coverage of at least half of locations (Xfinity, Verizon, Believe Wireless, T-Mobile Home Internet, and AT&T), so the market looks competitive. Believe Wireless and T-Mobile Home Internet offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
The median age of residents is 36.
Frequently asked questions
Is fiber internet available in Dundalk?
Yes, in part. About 92% of residential locations in Dundalk can get fiber, 99% can get cable, and about 98% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Dundalk?
Xfinity reports service to about 99% of residential locations in Dundalk, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Dundalk?
6 providers report service to at least 2% of locations in Dundalk, 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 Dundalk 21222?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Internet providers near Dundalk
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