Internet providers in Flagstaff, Arizona 86004
ZIP code 86004 is in Flagstaff, Coconino County, Arizona. Compare the major providers below, then check availability for your address.
Internet in Flagstaff 86004: local snapshot
About 91% of the 14,345 households in 86004 have a broadband subscription, 2 points above the Arizona average of 90%. That ranks 86004#116 of 345 ZIP codes in Arizona for broadband adoption.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023). These figures describe the area, not the providers available at your address.
Compare internet providers in Flagstaff, Arizona
Share of residential locations in Flagstaff where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | CenturyLink / Quantum Fiber | Fiber, DSL | 92% | |
| 2 | Optimum | Fiber, Cable | 88% | |
| 3 | Verizon | Fiber, Fixed wireless | 70% | Check availability |
| 4 | AT&T | Fiber, DSL, Fixed wireless | 63% | Check availability |
| 5 | T-Mobile Home Internet | Fixed wireless | 58% | |
| 6 | Bluespan Wireless | Fixed wireless | 6% | |
| 7 | Wecom | Fiber | 5% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What technologies are available in Flagstaff?
Fiber is limited in Flagstaff, reaching about 8% of locations. Plans of 100 Mbps or faster are reported for about 99%+ of locations, while gigabit-class service reaches about 5%. DSL is still reported for about 38% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 90% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Flagstaff that providers report they can serve. City-level figures, not your address.
What to know about internet in Flagstaff 86004
CenturyLink / Quantum Fiber reports service to the most residential locations in Flagstaff, about 92%. 5 providers report coverage of at least half of locations (CenturyLink / Quantum Fiber, Optimum, Verizon, AT&T, and T-Mobile Home Internet), so the market looks competitive. Fiber-focused providers reporting service here include Wecom (5%). T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
Broadband adoption in 86004 (91%) is higher than the Flagstaff average of 89%. The median age of residents is 38.
Frequently asked questions
Is fiber internet available in Flagstaff?
Yes, in part. About 8% of residential locations in Flagstaff can get fiber, 88% can get cable, and about 5% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Flagstaff?
CenturyLink / Quantum Fiber reports service to about 92% of residential locations in Flagstaff, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Flagstaff?
7 providers report service to at least 2% of locations in Flagstaff, and 5 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Flagstaff?
Fiber providers reporting service in Flagstaff include Wecom (5% of locations). Other providers may also offer fiber in parts of the city, so check your address.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Flagstaff 86004?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Other ZIP codes in Flagstaff
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