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Internet Service Provider Review of Phoenix

Quantum Fiber is the overall king in the desert, Cox’s cable is the fastest, and Verizon and T-Mobile 5G are the most popular

We surveyed 1,000 internet customers in Phoenix and its surrounding areas, analyzed nearly 60,000 speed test results, and compared plans and pricing to see how internet service providers (ISPs) stack up in Arizona’s increasingly popular capital city.

2026 Phoenix Internet Awards

   Best Overall
Quantum Fiber’s fiber-optic internet takes the prize as Phoenix’s best ISP overall, which it achieves by pairing technologically superior service with extremely generous pricing and policies.

   Best Value
Quantum Fiber is the Best Value ISP in Phoenix, offering customers the most for their money and a lifetime price lock.

   Fastest
Cox’s cable internet is Phoenix’s fastest internet service, according to over 60,000 speed test results. Cox’s free speed upgrades for its customers undoubtedly helped it achieve the fastest average speeds in Phoenix.

   Customer’s Choice
Customers love just about everything regarding Verizon’s 5G Home Internet. This provider received the highest customer ratings in the Phoenix area.

   Most Trusted
Verizon 5G Home Internet is the most trusted internet provider in Phoenix, with the highest customer trust rating.

   Easiest Switch
T-Mobile 5G Home Internet is the easiest internet switch in Phoenix, with a setup that involves zero networking cables or appointments that you can complete in about 15 minutes with your smartphone.

Methodology

Our methodology uses three proprietary datasets to determine ISP quality: performance data gathered from the HighSpeedInternet.com speed test, pricing data from our internet plan index, and customer survey data from our extensive annual surveys.

See our detailed methodology for a breakdown on exactly how we determine which ISPs are the best.

Why Quantum Fiber is the Best Overall in Phoenix

Quantum Fiber rose up as Phoenix’s Best Overall ISP due to its outstanding customer ratings, competitive speeds, and, most of all, overwhelming value. Quantum Fiber’s fiber-optic internet is, without a doubt, the best service you can get in the Phoenix area. Customers get the fastest plans, symmetrical bandwidth, and unlimited data. But what really seals the deal are the customer-centric policies it champions, most notably, very affordable pricing and thorough customer support.

“One of the best options for internet service I have ever purchased, and I wouldn’t change a thing.”

—Quantum Fiber customer
Phoenix, AZ

Why Quantum Fiber is the Best Value in Phoenix

Quantum Fiber plans start as low as $30 per month, which is the lowest pricing from any major internet provider in the Phoenix area. And for that low rate, you get a full-on fiber internet connection with all the perks: symmetrical speeds, very low latency, and plans that pack more bandwidth for the dollar compared to competitors.

The best part? You get a lifetime price lock on your rate, guaranteeing that your plan rate will never increase as long as you keep the plan active. Additionally, when we sized up all the fiber internet plans in the U.S. in a separate study, Quantum Fibers’ 500GB plan easily took the crown as the best fiber plan in the country.

“I have a great lifetime price deal, and the service is very reliable.”

—Quantum Fiber customer
Phoenix, AZ

We compared what you get for $50 a month from each of Phoenix’s major providers, and it’s easy to see the advantage Quantum Fiber customers enjoy. Quantum Fiber achieves the highest-value score whether we take plan prices at face value or dig deeper. We incorporated policies, plan offerings, and, most importantly, customer feedback, and Quantum Fiber came out on top as Phoenix’s Best Value ISP and Best Overall ISP.

“I love my provider. I have great service and no price hikes.”

—Quantum Fiber customer
Phoenix, AZ

Best value internet plans in Phoenix

PlanPriceSpeedDetails
Quantum Fiber 500 Mbps $50/mo.*500Mbps
  • Unlimited data
  • Symmetrical speeds
  • Fiber connection
  • Cox Fast $50/mo.300Mbps
  • Data cap
  • Slower upload speeds
  • T-Mobile Rely Home Internet $50/mo.415Mbps
  • Unlimited data
  • Slower upload speeds
  • Verizon 5G Home Internet Plus $50/mo.§300Mbps
  • Unlimited data
  • Slower upload speeds
  • Which internet provider can you get in Phoenix?

    Enter your zip code to see what’s available in your area.

    Why Cox is the Fastest in Phoenix

    Cox is proving that cable internet can still pack a punch with the fastest average speeds in the Phoenix area. We used our speed test results to determine plan speeds in Phoenix, which we find more insightful than going off an ISP’s advertised speeds. Cox’s real-world average speed of 228Mbps is the fastest in Phoenix.

    “Great service, usually never goes down. Fast and reliable.”

    —Cox customer
    Glendale, AZ

    Cox is no stranger to speed awards. In 2024, Cox was the nation’s fastest provider, even topping cutting-edge fiber providers like Google Fiber and Verizon. Cox maintains the fastest speeds by consistently upgrading its plan speeds, oftentimes at no charge to the customer, keeping residential customers’ connections competitive with increasing internet demands year-over-year.

    In 2023, Cox pushed a free speed upgrade for most of its internet plants, including doubling the speeds of its most popular internet plan from 250 to 500Mbps. In the Phoenix area, Cox offers up to 2,000Mbps—that’s enough speed to never have to think about your internet bandwidth again.

    “Great experience: fast speeds, great connectivity, and great customer service.”

    —Cox customer
    Scottsdale, AZ

    Why Verizon is the Customer’s Choice in Phoenix

    We surveyed 1,000 Phoenix area residents on their internet service, and Verizon received the highest ratings in every category. Customers gave Verizon top marks for internet speed, pricing, reliability, customer service, and overall satisfaction. Verizon has been in the internet game as long as anybody, and it’s been one of the nation’s top cellular providers for decades. It’s no surprise that when Verizon merged its two primary services, internet service and cellular broadband, the results reflect the highest quality.

    Why Verizon is the Most Trusted in Phoenix

    We surveyed Phoenix internet customers on several data points to determine how dependable their internet providers are and how they’d rate their trust in their ISP. Verizon is the most-trusted ISP in Phoenix.

    “It is the best Internet ever. I don’t need any cords, and it uploads and downloads super fast. It makes my life easy with the cheap bill, too. I love Verizon 5G internet.”

    —Verizon 5G Home Internet customer
    Mesa, AZ

    Customer trust rating

    Customer trust in their internet provider depends on several factors, including service reliability, straightforward policy and billing practices, and the ability to keep customer data and connections secure. In addition to receiving the highest direct customer trust rating in the survey, Verizon also received the best customer feedback for each key trust factor.

    “I think the service is well worth the price. The speed is amazing and they’re very trustworthy.”

    —Verizon 5G Home Internet customer
    Phoenix, AZ

    Customer reliability rating

    “I haven’t had an outage yet. Very inexpensive.”

    —Verizon 5G Home Internet customer
    Scottsdale, AZ

    Being able to count on your ISP for consistently reliable service is fundamental, and Verizon customers clearly feel their connections are dependable, with the highest reliability ratings in Phoenix.

    Verizon customers report fewer price hikes

    A big part of customer trust comes from not having to worry about random price hikes, and Verizon customers reported the fewest incidents of price hikes in Phoenix.

    Have you ever experienced a price hike on your internet bill?

    Why T-Mobile is the Easiest Internet Switch in Phoenix

    We weren’t at all surprised to learn that T-Mobile customers in Phoenix had the easiest experience when switching providers. When we analyzed the internet switching experience for all ISPs in the nation, T-Mobile was the obvious choice for customers looking for a quick and easy transition.

    T-Mobile 5G Home Internet has an incredibly streamlined installation that takes anywhere from 15 to 30 minutes tops. There are no technician appointments, and the gear is plug-and-play with an easy and effective app that walks you through the entire process.

    Choosing a T-Mobile plan is also incredibly easy, and the policies are extremely straightforward, without any tricks or holdups in the fine print.

    Disclaimers

    Author -

    Austin worked as a broadband technician installing and troubleshooting countless home internet networks for some of the largest ISPs in the U.S. He became a freelance writer in 2020 specializing in software guides. After graduating with a BS in technical communication from Arizona State University, he joined the team at HighSpeedInternet.com where he focuses on home network improvement and troubleshooting.

    Editor - Jessica Brooksby

    Jessica loves bringing her passion for the written word and her love of tech into one space at HighSpeedInternet.com. She works with the team’s writers to revise strong, user-focused content so every reader can find the tech that works for them. Jessica has a bachelor’s degree in English from Utah Valley University and seven years of creative and editorial experience. Outside of work, she spends her time gaming, reading, painting, and buying an excessive amount of Legend of Zelda merchandise.