Coverage · ZIP 20166

Internet providers in Dulles, VA 20166

10 providers are on file for this ZIP with the FCC (December 2024), using Fiber, Cable, 5G Home Internet, Satellite. The share-of-ZIP column shows how much of the area each one reaches; check your street address, or call (877) 543-8021.

10Providers
3Wired companies
2Fiber providers
10 GbpsFastest filed (Xfinity Fiber)

Every filing for Dulles, VA (ZIP 20166)

10 residential internet providers filed service in Dulles, VA (ZIP 20166) with the FCC (December 2024). Xfinity reaches the most of the ZIP, about 47%. The fastest filing is Xfinity Fiber at up to 10 Gbps, covering 12%. The table lists every filing with its technology, top speeds and share of the ZIP.

ProviderTechnologyFastest downFastest upShare of ZIP
Xfinity FiberFiber10 Gbps10 Gbps12%
Verizon FiosFiber2 Gbps2 Gbps27%
XfinityCable2 Gbps2 Gbps47%
AstoundCable1.5 Gbps50 Mbps0%
Verizon 5G Home5G Home Internet300 Mbps30 Mbps41%
AT&T Internet Air5G Home Internet100 Mbps20 Mbps39%
T-Mobile Home Internet5G Home Internet100 Mbps20 Mbps36%
StarlinkSatellite280 Mbps30 Mbps100%
ViasatSatellite150 Mbps3 Mbps100%
HughesNetSatellite100 Mbps5 Mbps100%

Internet in Dulles, VA — common questions

How many internet providers serve ZIP 20166?

10 providers have residential service on file for Dulles, VA (ZIP 20166), among them Xfinity Fiber, Verizon Fios, Xfinity. A filing covers part of the ZIP, not necessarily every street, so the provider confirms your exact address before an order.

Which provider reaches the most of 20166?

Xfinity has the widest footprint on file, about 47% of the ZIP’s census blocks, using cable. Satellite is left out of this comparison because it is filed everywhere.

What is the fastest internet in 20166?

Xfinity Fiber files the top download speed, up to 10 Gbps, across about 12% of the ZIP. That is the fastest tier filed for the area, not a plan sold at every address.

How do I check my own address in Dulles, VA?

Search the ZIP to see every filing with indicative starting prices, then call (877) 543-8021. We check the street address with the provider and, for providers we sell, place the order. There is no charge and no account.

Coverage data: FCC Broadband Data Collection (December 2024). Availability is decided address by address; providers confirm serviceability when you order. Satellite internet is sold nationwide, but each install has to qualify on site — a clear view of the sky and a place to mount the dish.

Last exit before you guess

Five digits tell you what actually reaches your street.

Every provider the FCC records at your ZIP, in seconds — then one call if you want a person to compare them with you and place the order. No account, no charge.

or call (877) 543-8021Mon–Fri 8 AM–9 PM ET · Sat–Sun 9 AM–6 PM ET

Call to order · (877) 543-8021