$24.95/mo.
300 Mbps
$35/mo.
300 Mbps*
25–150Mbps
Centennial is barely twenty-five years old as a city and already the eleventh largest in Colorado, with roughly 108,800 people across thirty square miles of Arapahoe County, wedged between the Denver Tech Center and Centennial Airport. Suburban on the surface, with a professional and technical workforce underneath and a median household income near $132,000.
The strand under Arapahoe started as a traffic-signal conduit. Residents voted out of Colorado's municipal broadband restriction in 2013; the city turned its backbone into an open-access network anyone could lease, and Ting took the offer.
Which is why Ting is the first address check you should run. Roughly two-thirds of the city, micro-trenched outward from Willow Creek, Walnut Hills, and Hunters Hill, running symmetrical and a gig up as well as down.
EarthLink Fiber sells multi-gig tiers over leased strand and lands near 45 percent. Xfinity is the wired constant at effectively every address. Spectrum shows up on boundary blocks near the Englewood and Littleton edges.
5G home internet from Verizon and T-Mobile ride the tower density along I-25 and Arapahoe, the practical answer in the apartment stock around the Streets at SouthGlenn. Starlink and Viasat cover the outer parcels toward Piney Creek. CenturyLink still holds the copper nearly everywhere.
Here's what changed. The state restriction came off the books entirely in 2023, and the city is now exploring a public-private expansion of that same backbone. Competitive pressure here runs the opposite direction from most metros. The incumbents are the ones responding.
346.21 Mbps
105.27 Mbps
10 ms
20
Average speed rate as per Ookla’s Speedtest results for 2026
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Fiber internet here rides a city-owned backbone, so coverage spread neighborhood by neighborhood rather than all at once. Symmetrical upload is the real spec that matters. Buried strand also shrugs off hail season.
Best for:Cable internet is the wired constant, reaching effectively every Centennial address from Southglenn to Piney Creek. Downloads climb past a gig. Uploads stay asymmetric, which surfaces at evening peak.
Best for:Tower density along I-25 and Arapahoe Road makes fixed wireless genuinely usable here. Throughput tracks signal strength and network load, so speeds move through the day. Setup runs under an hour.
Best for:Usage in Centennial splits along build order, not income. Willow Creek, Walnut Hills and Hunters Hill got fiber first because that is where the micro-trenching crews started, and those blocks now treat symmetrical gigabit as the baseline. Southglenn, Cherry Knolls and the older Foxridge streets stayed on cable, which was already there and still delivers the download numbers most households actually consume.
The development worth tracking: Colorado repealed the municipal broadband restriction outright in 2023, and Centennial is now working with a private partner on whether to extend its 50-mile backbone further. No new trench has broken ground yet. If it does, the lit-node map north of Arapahoe Road gets denser, and the blocks currently stranded on copper move into range.
For the professionals filling the Denver Tech Center and Inverness office parks, that pressure is already paying out. Upload ceilings moved. Contract terms softened. Promotional pricing stopped being a twelve-month trap. The gap between what a Centennial address can get and what a downtown Denver address can get keeps closing in Centennial's favor.
Two very different builds. Ting leases city strand and runs symmetrical to roughly two-thirds of Centennial, which is the tech worth caring about if your day involves pushing files rather than pulling them. EarthLink Fiber advertises higher ceilings, up to multi-gig, over resold infrastructure at around 45 percent reach. Check both at your exact address. Coverage here is block-level, not citywide.
Xfinity is the only wired option that reaches essentially the whole city, Southglenn to Piney Creek, and Xfinity multi-gig download plans are live across that footprint. Upload is the compromise, which matters more here than in most suburbs given the remote-work share. CenturyLink still runs copper almost everywhere as the fallback.
Verizon 5G Home Internet holds the stronger signal along the I-25 and Arapahoe corridors and prices flat with equipment included. T-Mobile 5G Home Internet reaches deeper into the apartment stock and stays month-to-month. Neither will beat fiber on upload. Both beat waiting three weeks for an install window. Aerux Broadband covers parts of the city as a fixed-wireless alternative.
$24.95/mo.
300 Mbps
For the first 3 Months. $49.95 starting Month 4. Pricing shown is for select markets only. Availability and speeds vary by location.
$45/mo.
300 Mbps
For 60 mos., no term contract. Taxes and fees extra. Incl. up to $10/mo. auto-pay & paperless bill discount. See Broadband Facts: https://www.xfinity.com/broadband-labels
$35/mo.
300 Mbps*
w/ Auto Pay & any Verizon mobile phone plan .
*Typical speeds of 85-250 Mbps
Speed in Centennial is an address question before it is a provider question. The fiber map is uneven by design; it grew outward from the city backbone rather than blanketing the grid, so Willow Creek and Hunters Hill see symmetrical gigabit while parts of Cherry Knolls and Foxridge still top out on cable's asymmetric tiers, a contrast that makes cable or fiber a straightforward connection-type question rather than a simple plan comparison.
Median household income here runs past $131,000, and the professional-services share is heavy, which means the households asking about speed usually already know what they need.
Three profiles cover most of it. The Inverness or Tech Center engineer on video calls all day, pushing builds uphill: upload is the whole ballgame, and fiber internet is the only technology that answers. The Southglenn family running four streams, a console, and a stack of smart-home devices: cable internet's download headroom handles that comfortably. The renter near the Streets at SouthGlenn on a twelve-month lease who needs service live this week: 5G home internet, self-installed, no truck roll.
Map that honestly. Ting for symmetrical work. Xfinity for download volume at scale. Verizon 5G Home Internet or T-Mobile 5G Home Internet for speed of setup. The fastest plan on paper is rarely the right one — the right one is the one whose weakest number still clears what you actually do.
A verified speed test result from a Ting internet user in Centennial, CO, shows great symmetrical performance with sub-10ms latency, the kind of consistency that Centennial's remote workers rely on for uninterrupted large file transfers and video conferencing throughout the day.
See How Fast Your Connection Really IsGigabit Value Without the Premium Markup
Median gross rent in Centennial sits above $2,100 a month, and the cost-of-living index runs just over the national mark. While you can't control inflation, you can save by choosing cheaper internet plans in Centennial.
Xfinity internet anchors the low end citywide, with promotional entry tiers and a multi-year price guarantee on select plans that removes the usual year-two jump. Bring your own modem and the rental fee disappears too.
Ting prices a single flat symmetrical tier with no contract and no data cap, which usually beats a discounted cable plan once the promo period expires and the equipment fee lands.
T-Mobile 5G Home Internet bundles the gateway into one all-in monthly rate with no installation charge, month-to-month, which is the cheapest realistic option for a renter who may move again.
Pro-Tip: Households on SNAP, Medicaid, or SSI can enroll in Xfinity Internet Essentials for up to 75 Mbps, Wi-Fi gateway included, with no credit check and no term contract. Stack the federal Lifeline discount on top, and the bill drops further. Rise Broadband and Starry Internet also list low-cost entry tiers in parts of the metro.
Our goal at LocalCableDeals is to make finding the right Centennial provider fast. We built three free tools that cut the guesswork out of a market where coverage changes block by block, so you can see what's actually live at your address in minutes.
Put ISPs side by side on upload speed, contract terms, price guarantees, and equipment fees — the four numbers that actually decide the answer for a Denver Tech Center home office.
Compare ProvidersTell us how many devices you run, how many simultaneous video calls the household needs, and whether you're in a Willow Creek single-family or a SouthGlenn apartment. We size the tier to that, not to a sales sheet.
Build a PlanCheck if your current Centennial provider is delivering the promised download and upload speeds to meet your household or home office needs by running a quick test.
Test my SpeedBrowse internet options, speeds, and coverage in other cities of Colorado to get a complete picture.
Yes, and more of it than most Denver suburbs. Ting runs symmetrical fiber over the city's own 50-mile open-access backbone, reaching roughly two-thirds of Centennial. It lit Willow Creek, Walnut Hills, and Hunters Hill first and micro-trenched outward from there. EarthLink Fiber sells multi-gig tiers over leased infrastructure at around 45 percent reach.
Xfinity typically has the lowest promotional entry price citywide, with a multi-year rate guarantee on select tiers. For qualifying households, Xfinity Internet Essentials drops that and includes a gateway with no credit check. T-Mobile 5G Home Internet is the cheapest month-to-month option since equipment and installation fold into one flat rate.
Fiber, and it isn't close. Ting delivers symmetrical speeds, so a gigabit down is also a gigabit up, which is what the engineers and consultants filling Inverness and the Denver Tech Center actually need. If fiber hasn't reached your block, Xfinity's higher cable tiers carry enough upstream for most video-call work.
Verizon 5G Home Internet and T-Mobile 5G Home Internet both serve Centennial, self-install in under an hour, and require no contract. Speeds float with network load and time of day, so treat the advertised ceiling as a best case rather than a promise.
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