Cox vs. i3 Broadband

Whether you’re researching Cox vs. i3 Broadband internet service at your current address, comparing internet options for potential locations, or just researching alternatives, this detailed comparison will help you understand which provider best suits you.

Cox and i3 Broadband compete directly in approximately 0.20% of their service areas, with Cox covering 23,486,306 people nationwide and i3 Broadband serving 848,554. Cox primarily delivers internet through a cable connection; i3 Broadband specializes in fiber connections. Jump directly to specific sections using the links below, or continue reading for our comprehensive comparison of Cox and i3 Broadband’s availability, speeds, pricing, and customer satisfaction.

Jump to: Availability | Speeds | Plans & Pricing | Customer Reviews | Fees

Cox vs. i3 Broadband | Pros & Cons

Cox vs. i3 Broadband | Availability

Cox and i3 Broadband have distinct coverage footprints across the United States. Our interactive map shows exactly where each provider offers service and where they overlap, helping you understand your options.

Both Providers Available | Cox Available | i3 Broadband Available | No Coverage

Cox currently offers internet service in 1,073 cities and 154 counties across 19 states, reaching approximately 23,486,306 residents. Their service area includes major markets like Phoenix, AZ; San Diego, CA; and Las Vegas, NV. By comparison, i3 Broadband serves 848,554 residents in 92 cities and 15 counties in 3 states, with a presence in population centers such as St. Louis, MO; Champaign, IL; and Peoria, IL.

Internet availability can vary significantly even within specific cities and zip codes. For the most accurate information about Cox and i3 Broadband at your location, use our address search tool:

Cox vs. i3 Broadband | Speeds & Technology

Cox and i3 Broadband utilize different network technologies to deliver internet service, resulting in varying speed capabilities across their service areas.

Across their service areas, Cox primarily delivers internet through cable, available to 95.4% of their customers. They also offer fiber to 9.6% of their coverage area. i3 Broadband relies on fiber technology, which comprises 94.3% of their network, with cable available in 5.7% of their service locations.

In terms of potential speeds across the country, i3 Broadband offers higher overall speeds, with speeds for most covered areas averaging 4,382 Mbps compared to Cox’s average speed of 1,966 Mbps. When examining their overlapping service areas, i3 Broadband delivers faster speeds in 0.00% of locations where both providers operate, similar speeds in 100.00%, and slower speeds in 0.00%.

The availability of each provider’s fastest technology varies significantly by location. Cox’s premium Cable service reaches 95.4% of their coverage area. Meanwhile, i3 Broadband’s top-tier Fiber is available to 94.3% of their footprint. Even within the same technology type, speed offerings can vary based on local infrastructure investments.

Cox vs. i3 Broadband | Plans & Pricing

Below are the current internet plans and pricing details for Cox and i3 Broadband, drawn from our independently maintained pricing database. The source and verification date for each provider's plans are noted beneath the table.

Provider representatives can send plan or pricing updates through our contact page; verified changes publish shortly after review.

Cox Plans

i3 Broadband Plans

Most households with 3-5 users need download speeds of at least 100 Mbps for smooth streaming, video conferencing, and everyday internet usage. Larger households or those with heavy users (gamers, 4K streamers, or remote workers) should consider plans with speeds of 300 Mbps or more for optimal performance.

Any prices listed are the base service rates and may not include additional charges such as equipment fees, installation costs, or other service-related expenses. For a comprehensive view of all potential charges, refer to our Fees & Details section below.

Cox vs. i3 Broadband | Customer Ratings & Reviews

Compare how real customers rate Cox and i3 Broadband based on our comprehensive database of verified customer reviews across all service types.

When comparing customer satisfaction, Cox earns an overall rating of 3.16 / 5 stars from 421 customer reviews, while i3 Broadband maintains a 4.00 / 5 rating from 26 reviews. i3 Broadband outperforms Cox by 0.8 points in overall satisfaction. Cox’s best-rated service is their Fiber offering at 3.39 / 5 stars, compared to i3 Broadband’s highest-rated service, Fiber, at 4.08 / 5 stars.

Fees vary by plan and location. The fees shown apply to most plans; check with the provider for costs specific to your plan.

When comparing internet providers, remember that advertised prices rarely tell the complete story. Equipment fees alone can add $10-15 per month to your bill, while installation charges, early termination fees, and data overage penalties can significantly increase your total cost of service. Consider these additional costs alongside monthly rates when determining which provider offers the better value for your specific needs.

Cox vs. i3 Broadband | Top Cities

Cox serves 1,073 cities while i3 Broadband is available in 92 cities nationwide. The tables below highlight their largest markets and areas where customers can choose between both providers.