Cox vs Quantum Fiber at a glance
| Cox | Quantum Fiber | |
|---|---|---|
| Main technology | Cable | Fiber |
| Residential locations on that technology | 6,447,111 | 3,157,734 |
| Single technology or mixed | Mixed | Mixed |
| Full coverage detail | Where Cox is available | Where Quantum Fiber is available |
We do not publish speeds or prices here. Both providers change them constantly and by market, and a stale number is worse than no number. Coverage is the part that is federally reported and verifiable.
Where you can get both
Metro areas where both Cox and Quantum Fiber report service, ranked by how well covered the less available of the two is because that is what decides whether you genuinely get a choice.
| Metro area | Cox | Quantum Fiber |
|---|---|---|
| Phoenix-Mesa-Chandler, AZ Metro Area | 84% | 80% |
| Hailey, ID Micro Area | 79% | 77% |
| Omaha-Council Bluffs, NE-IA Metro Area | 80% | 76% |
| Las Vegas-Henderson-Paradise, NV Metro Area | 91% | 75% |
| Crestview-Fort Walton Beach-Destin, FL Metro Area | 66% | 76% |
| Sierra Vista-Douglas, AZ Metro Area | 58% | 65% |
| Tucson, AZ Metro Area | 57% | 72% |
| Ocala, FL Metro Area | 24% | 73% |
| Gainesville, FL Metro Area | 60% | 3% |
| Prescott Valley-Prescott, AZ Metro Area | 2% | 73% |
| Fremont, NE Micro Area | 1% | 69% |
| Baton Rouge, LA Metro Area | 75% | 0% |
Where only one of them reaches
Cox reports service in 18 states and Quantum Fiber in 18, and they share 7 of them. Overlap is the exception, not the rule, so if you are outside the table above this is the part that answers your question.
45 metro areas have Cox and not Quantum Fiber
- Wichita, KS Metro Area 83% covered
- Virginia Beach-Norfolk-Newport News, VA-NC Metro Area 79% covered
- Fayetteville-Springdale-Rogers, AR Metro Area 77% covered
- Oklahoma City, OK Metro Area 76% covered
- Warner Robins, GA Metro Area 76% covered
- Tulsa, OK Metro Area 73% covered
- Lafayette, LA Metro Area 73% covered
- Dodge City, KS Micro Area 71% covered
200 metro areas have Quantum Fiber and not Cox
- Los Alamos, NM Micro Area 95% covered
- Denver-Aurora-Lakewood, CO Metro Area 92% covered
- Salt Lake City, UT Metro Area 89% covered
- Colorado Springs, CO Metro Area 88% covered
- Boulder, CO Metro Area 88% covered
- Rock Springs, WY Micro Area 87% covered
- Cape Coral-Fort Myers, FL Metro Area 87% covered
- St. George, UT Metro Area 85% covered
States where only Cox reports service: Arkansas, California, Connecticut, Georgia, Kansas, Massachusetts, North Carolina, Ohio, Oklahoma, Rhode Island, Virginia. States where only Quantum Fiber reports service: Colorado, Minnesota, Montana, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, Wisconsin, Wyoming.
Showing the eight best covered of each. Ranked by reported coverage within the metro, from the same FCC filing as the table above. Providers self report and overstate, so read these as a ceiling on where a company will sell to you, not a promise about your street.
Which should you pick?
Honestly, in most of the places above only one of them will actually reach your building, and that settles it. Where both do reach you, the useful question is the technology rather than the brand.
That is the case here: Cox is mainly cable and Quantum Fiber is mainly fiber. The practical difference is upload speed and consistency rather than headline download speed, we explain what that means here.
See which one reaches your address →
What we will not do is tell you one is better because it pays us more. See the affiliate disclosure for how that works.