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Top 16 Internet Providers in O Fallon, MO

RSINC has 16 internet providers for O Fallon, MO. The listings include 5 fiber, 2 cable and 3 fixed-wireless options; some providers use several technologies.

Providers
16
Top speed
8 Gbps
Cheapest
$24.95/mo
Fiber options
5
Available providers

16 ISPs listed for O Fallon

All recorded residential providers. Listing order is not a quality ranking. Confirm current offers and address eligibility with the provider.

Planned service

These providers are listed for future nationwide service and are not included in the current recorded-provider count. Availability dates and offers need confirmation.

Amazon Leo — planned nationwide

Expected download speed: 300–500 Mbps. Estimated live Q1 2027.

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ZIP codes in O Fallon

ZIP codes associated with this city in our records. ZIP boundaries can extend beyond city limits. Call 1-877-697-2926 to check service at your address.

  • 63366
  • 63368
At a glance

What's best in O Fallon?

Comparison of recorded listings. A maximum speed and starting price may describe different plans.

Fastest
provider-logo
i3 Broadband
top speed
8 Gbps
Cheapest
provider-logo
Sparklight
/mo to start
$24.95
Most available
provider-logo
Viasat
city coverage
100%

Speed leaderboard

Maximum advertised download speed in O Fallon.

Mbps · log scale
01 i3 Broadband
8 Gbps
02 AT&T
5 Gbps
03 Spectrum
2 Gbps
04 Gateway Fiber
2 Gbps
05 XNET WiFi
2 Gbps
06 Sparklight
1 Gbps
07 Socket Telecom
1 Gbps
08 Brightspeed
940 Mbps
Understanding these listings

Internet in O Fallon, MO a buyer's guide.

A closer look at the recorded options in O Fallon. Read our methodology for shared guidance on prices, speeds and eligibility.

Best Home Internet in O Fallon

Recorded speed leaders include i3 Broadband at 8 Gbps, AT&T at 5 Gbps, Gateway Fiber at 2 Gbps. The lowest recorded starting price is $24.95 per month. This price does not necessarily buy the fastest listed speed. Confirm the offer at the installation address. For O Fallon, compare individual listings rather than treating the city maximum as a speed available to every home.

How Internet Works in O Fallon

The recorded technology mix for O Fallon includes 5 fiber listings, 2 cable listings and 4 cellular/5G listings. A provider may appear in several technology categories, so these counts should not be added together.

Internet for Rural O Fallon Addresses

For locations outside the center of O Fallon, the directory records 3 fixed-wireless and 3 satellite listings. A city-level entry does not establish eligibility at a rural address; ask each provider to check the installation location.

Understand internet connection types

Learn how the major internet technologies work before comparing plans in O Fallon. Availability varies by address.

See internet providers in nearby cities.

FAQ

O Fallon Internet FAQs

How many providers are listed for O Fallon, MO?
16 distinct residential providers are recorded. A city listing is not an address-level availability guarantee.
What download speeds are recorded for O Fallon?
The highest listed speeds include i3 Broadband (8 Gbps recorded maximum), AT&T (5 Gbps recorded maximum), Gateway Fiber (2 Gbps recorded maximum).
What is the lowest recorded starting price in O Fallon?
$24.95/mo is the lowest non-missing starting price in these listings. Fees, discounts, eligibility and the associated speed tier need confirmation.
Does the O Fallon directory include fiber?
5 providers have a fiber flag in this city’s records. This describes the listings, not the share of homes connected.
Talk to Live Person

Ready to switch in O Fallon? Talk to our team.

Call 1-877-697-2926