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Best Cable Internet Providers in O'Fallon, MO (2026)

With 6 cable internet providers serving O'Fallon, MO, residents benefit from competitive pricing and diverse speed options. Xfinity leads with 75-1,200 Mbps, followed closely by Spectrum. Our analysis below breaks down each provider's strengths and weaknesses.

The cable internet market in O'Fallon, Missouri continues to grow, with 6 providers now serving residential addresses across the area. Competition among these providers has led to faster speeds, lower prices, and better customer service compared to just a few years ago.

Selecting the best cable internet service depends on your specific needs. A household of five streaming simultaneously has very different requirements than a single person who mainly checks email and browses the web. Price sensitivity, contract preferences, and whether you bundle services also factor into the equation.

This guide is designed to help O'Fallon residents navigate their cable internet choices with confidence. We cover each provider's plans, pricing, pros, and cons, along with practical advice on speeds, equipment, and getting the best promotional rates. Every phone number listed connects you directly to the provider for availability checks.

Cable Internet Providers Comparison

ProviderTechnologySpeed RangePrice RangeCall to Order
Xfinity Cable 75-1,200 Mbps $35-$80/mo 1-844-963-0138
Spectrum Cable 300-1,000 Mbps $50-$90/mo 1-844-481-5997
Cox Cable 100-940 Mbps $50-$100/mo 1-855-342-0684
Optimum Cable/Fiber 300-940 Mbps $40-$75/mo 1-866-200-7273
Mediacom Cable 100-1,000 Mbps $30-$80/mo 1-855-634-3222
Astound Broadband Cable/Fiber 300-1,500 Mbps $25-$70/mo 1-800-427-8686

Cable Internet Provider Details for O'Fallon, MO

Xfinity in O'Fallon, MO

As a Cable provider, Xfinity delivers internet service to addresses across O'Fallon. Speed options range from 75-1,200 Mbps, and monthly pricing sits between $35-$80/mo before taxes and fees. Xfinity customers in MO generally report reliable service during peak evening hours. We recommend calling to ask about introductory pricing and any available bundle discounts.

Call to check availability: 1-844-963-0138

View Xfinity Plans » | Read Full Xfinity Review

Spectrum in O'Fallon, MO

As a Cable provider, Spectrum delivers internet service to addresses across O'Fallon. Speed options range from 300-1,000 Mbps, and monthly pricing sits between $50-$90/mo before taxes and fees. Spectrum customers in MO generally report reliable service during peak evening hours. We recommend calling to ask about introductory pricing and any available bundle discounts.

Call to check availability: 1-844-481-5997

View Spectrum Plans » | Read Full Spectrum Review

Cox in O'Fallon, MO

O'Fallon residents can access Cox's Cable internet service. Available speeds include plans from 100-940 Mbps, with monthly costs of $50-$100/mo. Cox has invested in their MO network in recent years, resulting in improved reliability and expanded coverage. Call to check availability and learn about current promotional offers.

Call to check availability: 1-855-342-0684

View Cox Plans » | Read Full Cox Review

Optimum in O'Fallon, MO

Optimum serves O'Fallon, MO using Cable/Fiber technology. Their plans in the area offer download speeds of 300-940 Mbps at prices ranging from $40-$75/mo. Optimum is a strong choice for households that want consistent performance for streaming, video conferencing, and everyday browsing. Equipment rental fees and installation costs may apply; ask about current promotions when you call.

Call to check availability: 1-866-200-7273

View Optimum Plans » | Read Full Optimum Review

Mediacom in O'Fallon, MO

In O'Fallon, Mediacom provides Cable internet service. Plan speeds range from 100-1,000 Mbps and cost between $30-$80/mo per month. Mediacom is known for competitive promotional rates for new customers, though regular pricing applies after the introductory period. Ask about their current specials and any waived installation fees when you call.

Call to check availability: 1-855-634-3222

View Mediacom Plans » | Read Full Mediacom Review

Astound Broadband in O'Fallon, MO

With Cable/Fiber technology, Astound Broadband reaches customers throughout O'Fallon, MO. Their plans range from 300-1,500 Mbps in download capability, priced at $25-$70/mo. Many households in O'Fallon rely on Astound Broadband for activities like streaming, gaming, and work-from-home tasks. Installation typically takes one to two weeks after ordering.

Call to check availability: 1-800-427-8686

View Astound Broadband Plans » | Read Full Astound Broadband Review

Internet Landscape in O'Fallon, Missouri

O'Fallon residents benefit from an evolving internet market with 6 cable internet providers actively serving the community. Provider availability can vary by neighborhood, so the options at one address may differ from another just a few blocks away. This guide covers the most widely available providers in the area.

Infrastructure investments in Missouri have improved internet reliability and speeds across the state, and O'Fallon has seen measurable benefits from these upgrades. Several providers have expanded their local networks in recent years, bringing faster technology to more addresses and reducing the number of underserved areas within city limits.

Smart shoppers in O'Fallon can leverage competition between providers to negotiate better rates. If your current contract is ending or you are moving to a new address, comparing all available options and mentioning competitor pricing during sign-up calls can often result in discounted rates or waived fees. The phone numbers on this page connect you directly to each provider's sales team.

What Speed Do You Need in O'Fallon, MO?

The right speed depends on your daily habits. O'Fallon residents can use this quick reference to determine the ideal plan:

  • Essential (25-75 Mbps): Best for one to two users doing basic tasks like email, web browsing, and social media. Handles one standard-definition stream without issues.
  • Standard (100-250 Mbps): The most popular tier for O'Fallon households. Supports three to five devices streaming, browsing, and using apps simultaneously.
  • Performance (300-500 Mbps): Recommended for busy households, gamers, and remote workers. Keeps multiple 4K streams and video calls running smoothly at the same time.
  • Premium (500+ Mbps): Designed for households that demand the absolute best. Handles any combination of devices and applications without slowing down.

One more consideration: if you frequently upload large files, backup photos and videos to the cloud, or create content, pay attention to upload speeds as well as download speeds. Most cable plans offer asymmetric speeds with much slower uploads, while fiber plans often provide equal upload and download speeds.

Frequently Asked Questions About Cable Internet in O'Fallon, MO

What is the fastest cable internet speed available in O'Fallon?

The fastest cable internet speeds currently available in O'Fallon, MO reach up to 1,200 Mbps through Xfinity. Actual speeds depend on the plan you choose and your address's proximity to network infrastructure. Check with the provider directly for the exact speeds available at your location.

Do O'Fallon internet providers offer senior discounts?

Some internet providers in O'Fallon, Missouri offer discounted plans for seniors or participate in programs that reduce costs for qualifying customers. AT&T Access, Spectrum Internet Assist, and Comcast Internet Essentials are examples of reduced-cost plans. Contact each provider to ask about eligibility requirements and available discounts for seniors and low-income residents.

What is the cheapest internet option in O'Fallon?

The most affordable cable internet plans in O'Fallon, MO start around $25-$35 per month for basic speeds. Some providers also participate in the Affordable Connectivity Program, which provides eligible low-income households with a monthly discount on internet service. Check with each provider about low-income assistance programs and entry-level plan pricing.

Can I get internet without a credit check in O'Fallon?

Some cable internet providers in O'Fallon, MO offer prepaid or no-credit-check plans. Fixed wireless and 5G home internet providers sometimes have less stringent credit requirements than traditional cable companies. Contact each provider to ask about their specific credit requirements and any available alternatives.

Can I bundle internet with TV and phone service in O'Fallon?

Yes, several cable internet providers in O'Fallon, Missouri offer bundle packages that combine internet with cable TV, streaming services, and home phone. Bundling can save $10-$30 per month compared to purchasing services separately. Ask each provider about current bundle options and pricing when checking availability.

What cable internet providers are available in O'Fallon, MO?

There are currently 6 cable internet providers serving O'Fallon, MO. These include Xfinity, Spectrum, Cox, Optimum, and others. Availability varies by address, so we recommend calling each provider to confirm they serve your specific location.

More O'Fallon Internet Information

Continue your research with these related resources: O'Fallon, MO Internet ProvidersXfinity ReviewSpectrum ReviewCox ReviewOptimum Review

Our O'Fallon, MO internet page covers all available connection types and providers, helping you find the perfect plan regardless of technology preference.

Affiliate Disclosure: InternetProviders.ai partners with internet service providers and may earn a commission when you sign up through our links or phone numbers. This does not affect the price you pay or the objectivity of our reviews. We independently research and compare providers to help you find the best internet service for your needs and budget.

About This Guide — Researched and authored by Pablo Mendoza, Senior Telecom Analyst at InternetProviders.ai. Pablo leverages over ten years of telecommunications expertise to provide accurate, actionable internet service comparisons. His methodology prioritizes real-world performance data, transparent pricing analysis, and genuine consumer value over marketing claims.