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AT&T vs KUB Fiber Knoxville
AT&T reaches far more of Knoxville at ~89% coverage, while KUB Fiber offers double the top speed at up to 10 Gbps but only serves about half the city.
KUB Fiber wins on raw speed, doubling AT&T with plans up to 10,000 Mbps and edging it on speed score (99 vs 97). But AT&T wins on reach, covering roughly 89% of Knoxville versus KUB’s ~48%, and it lists a clear $55/mo starting price. For most households AT&T is the safer bet simply because it’s more likely to be available, and its fiber is fast enough for almost anything. If KUB Fiber reaches your block and you crave multi-gig speeds, it’s the performance pick.
At a glance
AT&T vs. KUB Fiber, side by side.
| Provider | Type | Top speed | City coverage | Starting price | Best for |
|---|---|---|---|---|---|
| AT&T |
Fiber | 5 Gig 5 Gig upload |
89% | $55/mo | Widest availability |
| KUB Fiber |
Fiber | 10 Gig 10 Gig upload |
48% | See plans | Top fiber speeds |
Coverage map
Two different questions, two views. Top speed shows who offers the faster plan where you can actually get it. Coverage shows who reaches more of each ZIP. Or pick a single provider to see just its footprint.
Neighborhood breakdown
In Knoxville, this matchup can flip from block to block because fiber footprints don’t line up neatly. AT&T’s ~89% coverage means it reaches most neighborhoods, while KUB Fiber’s ~48% footprint leaves large pockets unserved. Always run both providers’ address checkers, since being one street over can decide whether KUB’s multi-gig plans are even an option.
| ZIP | Neighborhoods | Coverage | Top speed | Speed Score | Winner | |||
|---|---|---|---|---|---|---|---|---|
| AT&T | KUB Fiber | AT&T | KUB Fiber | AT&T | KUB Fiber | |||
| 37921 | Lonsdale, Mechanicsville, Beaumont, West View | 74% | 90% | 5 Gig | 10 Gig | 92 | 97 | KUB Fiber |
| 37920 | South Knoxville, Vestal, Island Home, Colonial Village | 74% | 39% | 5 Gig | 10 Gig | 92 | 87 | AT&T |
| 37918 | Fountain City, Halls Crossroads, Gibbs | 69% | 77% | 5 Gig | 10 Gig | 91 | 95 | KUB Fiber |
| 37917 | North Knoxville, Old North Knoxville, Fountain City | 60% | 82% | 5 Gig | 10 Gig | 90 | 96 | KUB Fiber |
| 37938 | Halls, Halls Crossroads, North Knoxville | 13% | 68% | 5 Gig | 10 Gig | 80 | 93 | KUB Fiber |
| 37914 | East Knoxville, Burlington, Chilhowee Park | 69% | 30% | 5 Gig | 10 Gig | 91 | 85 | AT&T |
| 37919 | Bearden, Sequoyah Hills, West Hills | 63% | 98% | 5 Gig | 10 Gig | 90 | 99 | KUB Fiber |
| 37912 | Inskip, Fountain City, Norwood | 70% | 76% | 5 Gig | 10 Gig | 92 | 94 | KUB Fiber |
| 37923 | Cedar Bluff, West Hills, Ebenezer | 69% | 38% | 5 Gig | 10 Gig | 91 | 87 | AT&T |
| 37922 | Farragut, Concord, Choto | 60% | 8% | 5 Gig | 10 Gig | 90 | 81 | AT&T |
| 37924 | East Knoxville, Holston Hills, Ritta | 52% | 8% | 5 Gig | 10 Gig | 88 | 81 | AT&T |
| 37931 | Karns, Hardin Valley, Solway | 61% | 15% | 5 Gig | 10 Gig | 90 | 82 | AT&T |
| 37915 | Morningside, Parkridge, Old City | 58% | 93% | 5 Gig | 10 Gig | 89 | 98 | KUB Fiber |
| 37909 | West Hills, Bearden, Cedar Bluff | 84% | 94% | 5 Gig | 10 Gig | 94 | 98 | KUB Fiber |
| 37932 | Hardin Valley, Karns, Pellissippi | 43% | 0% | 5 Gig | — | 86 | — | AT&T |
| 37916 | University of Tennessee, Fort Sanders, Cumberland Avenue | 29% | 99% | 5 Gig | 10 Gig | 83 | 99 | KUB Fiber |
| 37902 | Downtown Knoxville, World’s Fair Park, Gay Street | 39% | 92% | 5 Gig | 10 Gig | 85 | 98 | KUB Fiber |
| 37901 | Downtown Knoxville, Central Business District | 39% | 92% | 5 Gig | 10 Gig | 85 | 98 | KUB Fiber |
| 37939 | West Knoxville, Bearden, Sequoyah Hills | 67% | 100% | 5 Gig | 10 Gig | 91 | 99 | KUB Fiber |
| 37928 | North Knoxville, Fountain City | 82% | 100% | 5 Gig | 10 Gig | 94 | 99 | KUB Fiber |
| 37927 | Downtown Knoxville, North Knoxville | 83% | 95% | 5 Gig | 10 Gig | 94 | 98 | KUB Fiber |
| 37940 | South Knoxville, Vestal | 88% | 98% | 5 Gig | 10 Gig | 95 | 99 | KUB Fiber |
Speed Score (0–100) blends each provider’s coverage and top speed in that specific ZIP, so it moves as availability changes street to street.
Which is better for…
The right pick comes down to what you actually do online.
Get connected
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- 5 Gig down · 5 Gig up Fiber
- 1 Gig down · 1 Gig up Fiber
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Check my addressFrequently asked questions
Is KUB Fiber or AT&T available at my address in Knoxville?
AT&T fiber reaches about 89% of Knoxville while KUB Fiber covers roughly 48%, so AT&T is more likely to be available at any given address. Since fiber availability changes block to block, plug your exact address into both providers’ checkers before deciding.
Which is cheaper in Knoxville, AT&T or KUB Fiber?
AT&T lists a starting price of $55/mo while KUB Fiber shows “see plans,” so AT&T has the clearer published rate. Keep in mind these are promotional starting rates, so before signing confirm the post-promo price, any equipment fees, and whether a contract applies with each provider.
Which is faster and is it enough for gaming, 4K, and working from home?
KUB Fiber is faster on paper with speeds up to 10,000 Mbps and a 99 speed score, versus AT&T’s up to 5,000 Mbps and 97, both where available. Either is more than enough for gaming, 4K streaming, and WFH, so pick based on availability and price unless you specifically want multi-gig headroom.
More Knoxville comparisons
How Knoxville’s other qualifying providers stack up head-to-head.