Internet in Boulder: speed, SIM cards and coworking

Updated October 2026Sources

307 MbpsMedian download

Is the internet good in Boulder?

Median fixed broadband in United States is 307 Mbps and mobile is 187 Mbps (Speedtest Global Index, 2026-08). Fast free wifi in most cafés and libraries; very laptop-friendly.

Getting online in Boulder

	Details
Home fibre	Xfinity cable, CenturyLink fibre and Boulder Fiber options; 300 Mbps–1 Gbps for about $55–90 a month.
Cafés and coworking	Fast free wifi in most cafés and libraries; very laptop-friendly.
Tourist SIM	Prepaid SIMs at carrier stores, Walmart and Target, roughly US$25–50 for 30 days; no ID usually needed. A travel eSIM is easiest.
eSIM	Local carriers sell eSIMs to visitors.
Carriers	T-Mobile, Verizon, AT&T
Monthly data plan	$25–60 ($25–60)

Internet speeds in North America

National medians, Speedtest Global Index.

Country	Fixed	Mobile
United States	307 Mbps	187 Mbps
Canada	258 Mbps	86 Mbps

Quick answers

Is the internet fast in Boulder?

Median fixed broadband in United States is 307 Mbps and mobile is 187 Mbps (Speedtest Global Index, 2026-08). Fast free wifi in most cafés and libraries; very laptop-friendly.

Which SIM card should I get in Boulder?

Prepaid SIMs at carrier stores, Walmart and Target, roughly US$25–50 for 30 days; no ID usually needed. A travel eSIM is easiest.

Can I use an eSIM in United States?

Yes. Local carriers sell eSIMs to visitors, and travel eSIMs work too.

More about Boulder

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Sources

Speeds are medians from Ookla's Speedtest Global Index, cited for reference. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.