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Best Internet US

Internet providers in Gaithersburg, MD

5 providers are likely to serve this mid-size city, based on their footprint in Maryland, across 3 technologies. The best value right now is Verizon Fios 300 Mbps at 300 Mbps for $40/mo.

Prices last checked September 2026. Provider list estimated from state footprints — how.

5
Providers here
2 Gbps
Fastest — Xfinity
$40/mo
Lowest real cost — Verizon Fios
9
ZIP codes

Ranked

Every provider in Gaithersburg

Ordered by our score, which weighs technology, speed, symmetry, the real two-year cost and the terms. How we rank.

1
Verizon FiosFiberParts of Gaithersburg

Fiber to the home across the Northeast and Mid-Atlantic. Consistently the highest-rated large ISP in the country for reliability.

500 Mbps · $75/mo940 Mbps · $90/mo

300 Mbps

300 Mbps

$40/mo

Price does not step up

Check my address
2
XfinityCableFiberParts of Gaithersburg

The largest cable provider in the country. Wide availability and fast downloads, but uploads lag fiber and the price steps up sharply once the promo ends.

800 Mbps · $65/mo1.1 Gbps · $75/mo150 Mbps · $30/mo

Gigabit X2

2 Gbps

$95/mo

$125 after 24 mo

Check my address
3
StarlinkSatellite

Low-earth-orbit satellite. The only satellite service with latency low enough for video calls, and it works essentially anywhere with sky.

100 Mbps · $49/mo

Residential

220 Mbps

$55/mo

Price does not step up

Check my address
4
HughesNetSatellite

The other geostationary satellite option. Cheaper than Viasat at the entry tier, with the same latency limits.

100 Mbps · $75/mo100 Mbps · $90/mo

Select

50 Mbps

$50/mo

Price does not step up

Check my address
5
ViasatSatellite

Geostationary satellite covering the whole country. Latency makes it a last resort, but it reaches addresses nothing else does.

100 Mbps · $150/mo

Unleashed 50

50 Mbps

$100/mo

Price does not step up

Check my address

Coverage is recorded by city, not by street address, and availability in the US changes block by block. Confirm with the provider before you plan around any of this.

Side by side

Gaithersburg internet plans compared

Each provider's best plan here. Real cost spreads the promo step-up, equipment rental and installation over two years.

Best plan from each internet provider in Gaithersburg, MD, as of September 2026
ProviderPlanTechnologyDownload / uploadAdvertisedReal cost / moData cap
Verizon Fios300 MbpsFiber300 Mbps / 300 Mbps$40$40Unlimited
XfinityGigabit X2Fiber2 Gbps / 300 Mbps$95$95Unlimited
StarlinkResidentialSatellite220 Mbps / 25 Mbps$55$69.54Unlimited
HughesNetSelectSatellite50 Mbps / 5 Mbps$50$50100 GB
ViasatUnleashed 50Satellite50 Mbps / 3 Mbps$100$100Unlimited

Technology

What's available in Gaithersburg

Not every technology reaches every address, and they are not interchangeable.

Fiber

Glass to the house. Same speed up as down, lowest latency.

Providers
2
Fastest
2 Gbps
From
$40/mo
Cable

Coax from the TV network. Fast down, much slower up.

Providers
1
Fastest
1.1 Gbps
From
$30/mo
Satellite

A dish pointed at the sky. Works anywhere, costs more.

Providers
3
Fastest
220 Mbps
From
$49/mo

Coverage

ZIP codes in Gaithersburg

Nearby

Other places in Maryland

All 432 in Maryland →

Questions

Internet in Gaithersburg, answered

Which internet providers are available in Gaithersburg?

Based on where each provider operates in Maryland, 5 providers are likely to serve Gaithersburg: Verizon Fios, Xfinity, Starlink, HughesNet, Viasat. This is an estimate, not an address check — confirm your exact address with the provider.

Is fiber internet available in Gaithersburg?

Probably, in parts of it. Verizon Fios, Xfinity sell fiber plans in Maryland, likely including Gaithersburg. Fiber gives you the same speed up as down, which matters if anyone in the house takes video calls, uploads files or backs up to the cloud.

What is the cheapest internet in Gaithersburg?

300 Mbps from Verizon Fios has the lowest real cost we track in Gaithersburg: $40 a month averaged over two years, advertised at $40 with no promo step-up. Real cost folds in equipment rental and installation.

What is the fastest internet in Gaithersburg?

Xfinity sells the fastest plan we track here, at 2 Gbps. Most households do not need anything close to that — the number that usually matters is upload speed, not download.

How does Best Internet US decide the order?

Every plan gets a score from five things: the technology, the download speed on a log scale, how symmetrical it is, the true two-year cost including any promo step-up and equipment rental, and the terms — contracts, data caps and fees. Nobody pays for placement.