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Internet by City

FCC data as of December 31, 2025

Quantum Fiber: internet coverage by city

Quantum Fiber appears in 38 cities and 12 states in our data. Its FCC filing company, Lumen Technologies, Inc, reports service in 17 states and territories nationwide.

Technologies and speeds

In our cities, Quantum Fiber reports fiber service.

Highest advertised download in our cities: 8,000 Mbps (8,000 Mbps upload) over fiber, in Cape Coral, FL.

Check Quantum Fiber at your address

Quantum Fiber by city

Where the provider reports service in each city, with the share it covers.

PlaceTechnologiesMax downloadShare covered
Cape Coral, FLFiber8,000 Mbps92.9% of served locations
Minneapolis, MNFiber8,000 Mbps92.7% of served locations
St. Paul, MNFiber8,000 Mbps91.7% of served locations
Seattle, WAFiber8,000 Mbps81.9% of served locations
Portland, ORFiber8,000 Mbps80.5% of served locations
Denver, COFiber8,000 Mbps79.8% of served locations
Salt Lake City, UTFiber8,000 Mbps73.3% of served locations
Lakewood, COFiber8,000 Mbps64.9% of served locations
Omaha, NEFiber8,000 Mbps62.1% of served locations
Tacoma, WAFiber8,000 Mbps53.6% of served locations
Spokane, WAFiber8,000 Mbps52.7% of served locations
Aurora, COFiber8,000 Mbps48.1% of served locations
Des Moines, IAFiber8,000 Mbps43.7% of served locations
Colorado Springs, COFiber8,000 Mbps41.5% of served locations
West Valley City, UTFiber8,000 Mbps37% of served locations
Thornton, COFiber8,000 Mbps31% of served locations
Las Vegas, NVFiber8,000 Mbps30.9% of served locations
Tucson, AZFiber8,000 Mbps29.8% of served locations
Meridian, IDFiber8,000 Mbps26.6% of served locations
Henderson, NVFiber8,000 Mbps26.4% of served locations
Vancouver, WAFiber8,000 Mbps26% of served locations
Eugene, ORFiber8,000 Mbps25% of served locations
Boise City, IDFiber8,000 Mbps23.2% of served locations
North Las Vegas, NVFiber8,000 Mbps18.6% of served locations
Salem, ORFiber8,000 Mbps17.5% of served locations
Bellevue, WAFiber8,000 Mbps17% of served locations
Phoenix, AZFiber8,000 Mbps16.4% of served locations
Gilbert, AZFiber8,000 Mbps15% of served locations
Fort Collins, COFiber8,000 Mbps14.9% of served locations
Mesa, AZFiber8,000 Mbps14.1% of served locations
Chandler, AZFiber8,000 Mbps12.7% of served locations
Surprise, AZFiber8,000 Mbps12.3% of served locations
Scottsdale, AZFiber2,000 Mbps11.1% of served locations
Sioux Falls, SDFiber2,000 Mbps7.5% of served locations
Peoria, AZFiber2,000 Mbps7.2% of served locations
Tempe, AZFiber8,000 Mbps4.2% of served locations
Tallahassee, FLFiber2,000 Mbps4.1% of served locations
Glendale, AZFiber8,000 Mbps3.9% of served locations

Quantum Fiber by state

Where the provider reports service in each state, with the share it covers.

PlaceShare covered
Colorado27.7% of served locations
Utah23.4% of served locations
Nevada19.9% of served locations
Minnesota18% of served locations
Oregon15.6% of served locations
Nebraska15.2% of served locations
Washington15.2% of served locations
Arizona12.5% of served locations
Idaho10% of served locations
Florida6.3% of served locations
Iowa6.3% of served locations
North Dakota2.2% of served locations

Source: FCC National Broadband Map, Broadband Data Collection, availability as of December 31, 2025 (published September 29, 2026). Providers report where they offer service; a listed provider may not serve every address. Advertised speeds are not measured speeds. Check a specific address on the address check page. How we build these pages.