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DSDownloadSpeed
FCC Data · Updated April 2026
A

Best Internet in Boulder, CO

1000 Mbps avg · 18 ZIP codes · 100% fiber · 10 providers/ZIP

1000
Avg Mbps
1,000
Max Mbps
100%
Fiber Access
10
Avg Providers
Providers

Internet Providers in Boulder

ProviderZIP Codes Served% of Area
Rise Broadband18100%
CenturyLink18100%
Comcast18100%
KellinCommunications18100%
T-Mobile18100%
Aerux Broadband18100%
Charter Communications INC18100%
Pci18100%
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ZIP Codes in Boulder

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See how your connection compares to the 1000 Mbps average in Boulder.

FAQ

Frequently Asked Questions

What is the average internet speed in Boulder, CO?

Boulder, Colorado has an average maximum download speed of 1000 Mbps across 18 ZIP codes. The fastest available speed is 1000 Mbps. 100% of ZIP codes have fiber internet.

Who are the best internet providers in Boulder?

The most widely available providers in Boulder are Rise Broadband (18 ZIPs), CenturyLink (18 ZIPs), Comcast (18 ZIPs). Check individual ZIP codes for exact availability at your address.

Is fiber internet available in Boulder?

Yes, fiber internet is available in 100% of Boulder's ZIP codes. Fiber coverage is good in this area. Search your specific ZIP code for exact fiber availability.

How does Boulder compare to the rest of Colorado?

Boulder has an average Broadband Grade of A (93/100). The Boulder area averages 10 providers per ZIP code with 100% fiber access. Check the Colorado overview for statewide comparison.