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Internet providers in Diamond Bar, CA

Shop the best Diamond Bar internet providers. Compare internet plan pricing and speeds from cable, DSL and fiber-optic providers in your area.

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Diamond Bar, CA internet providers

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Provider
AT&T $30 100 - 18 MbpsDSL1.006%
Frontier $27.99 6 - 30 MbpsDSL92%
Frontier $27.99 6 - 30 MbpsFiber-optic68%
Spectrum $44.99 60 - 300 MbpsCable100%
GTT Communications - -DSL1.833%
Shop providers Need help? Call: (844) 512-2720

Diamond Bar internet service at a glance

At 100%, broadband coverage in Diamond Bar is comparable to the rest of California - 93%, and comparable to broadband coverage across the U.S. - 95%.

The vast majority of those living in the Diamond Bar area will have access to cable, which covers 100% of Diamond Bar residents. DSL internet is also an option for many, offering service to 92% of the area. Fiber-optic is less available but still a popular internet option for roughly 68% of those living in Diamond Bar.

There are six internet providers serving the Diamond Bar area, and 97.27% of households will have internet options from more than one provider. Among Diamond Bar's six internet providers, prices start at $27.99 and available download speeds reach up to 300 Mbps.

Top high-speed internet providers in Diamond Bar

The largest internet providers in Diamond Bar are Frontier and Spectrum bringing DSL, fiber-optic, and cable options to Diamond Bar.

DSL internet from Frontier is available to nearly all Diamond Bar residents, covering 92% of households. Many will also have the option of fiber-optic from Frontier, which covers 68% of the area. Diamond Bar’s third most-available internet provider, Spectrum, offers cable to around 100% of Diamond Bar residents.

Frontier DSL internet

Provider
Frontier
Starting price*
$27.99/mo.
Max download speed

30 Mbps

Max upload speed

30 Mbps

Average availability

92%

DSL from Frontier offers broadband to nearly all households in Diamond Bar covering 92% of the area.

DSL internet from Frontier uses telephone lines in Diamond Bar to deliver service, which often leads to lower prices and higher availability, though download speeds are likely to be slower than cable or fiber-optic internet.

Internet prices for Frontier start at $27.99/mo.*, which is significantly lower than the average starting price for internet in Diamond Bar, $42.59.

Frontier customers who choose the lowest-priced plan can expect speeds up to 6 Mbps, which comes to an estimated $4.67 per Mbps, significantly higher than the average cost per Mbps for the lowest priced plans in Diamond Bar, $1.01.

For those who value internet speed as much as cost, Frontier offers download speeds up to 30 Mbps and upload speeds up to 30 Mbps in Diamond Bar. These download speeds are available to 92% of the area, and are slightly slower than the average max speeds from all Diamond Bar's providers, 86 Mbps.

Check availability

or call us today: (844) 451-2720

Call us: (844) 512-2720

Frontier fiber-optic internet

Provider
Frontier
Starting price*
$27.99/mo.
Max download speed

30 Mbps

Max upload speed

30 Mbps

Average availability

68%

Fiber-optic from Frontier offers broadband to most households in Diamond Bar covering 68% of the area.

Fiber-optic service from Frontier is popular for its fast download and upload speeds, even during peak usage times, but may be less available throughout Diamond Bar than other internet types.

Internet prices for Frontier start at $27.99/mo.*, which is significantly lower than the average starting price for internet in Diamond Bar, $42.59.

Frontier customers who choose the lowest-priced plan can expect speeds up to 6 Mbps, which comes to an estimated $4.67 per Mbps, significantly higher than the average cost per Mbps for the lowest priced plans in Diamond Bar, $1.01.

For those who value internet speed as much as cost, Frontier offers download speeds up to 30 Mbps and upload speeds up to 30 Mbps in Diamond Bar. These download speeds are available to 68% of the area, and are slightly slower than the average max speeds from all Diamond Bar's providers, 86 Mbps.

Check availability

or call us today: (844) 451-2720

Call us: (844) 512-2720

Spectrum cable internet

Provider
Spectrum
Starting price*
$44.99/mo.
Max download speed

300 Mbps

Max upload speed

20 Mbps

Average availability

100%

Cable from Spectrum offers broadband to all households in Diamond Bar covering 100% of the area.

Spectrum’s cable network is likely to offer faster speeds than DSL or satellite service, but Diamond Bar residents in densely populated areas may experience slowed speeds during peak usage times.

Internet prices for Spectrum start at $44.99/mo.*, which is about the same as the average starting price for internet in Diamond Bar, $42.59.

Spectrum customers who choose the lowest-priced plan can expect speeds up to 60 Mbps, which comes to an estimated $0.75 per Mbps, about the same as the average cost per Mbps for the lowest priced plans in Diamond Bar, $1.01.

For those who value internet speed as much as cost, Spectrum offers download speeds up to 300 Mbps and upload speeds up to 20 Mbps in Diamond Bar. These download speeds are available to 100% of the area, and are much faster than the average max speeds from all Diamond Bar's providers, 86 Mbps.

Check availability

or call us today: (844) 451-2720

Call us: (844) 512-2720

Internet coverage for rural areas

If you live in the heart of Diamond Bar, you’ll likely have options from cable, DSL, and fiber-optic internet providers. For those in rural areas or just outside Diamond Bar, however, satellite or fixed wireless internet may be the best internet option.

Satellite internet from HughesNet and Viasat offers 100% availability in Diamond Bar and surrounding areas. HughesNet starting prices are significantly higher than average in Diamond Bar at $59.99/mo. for speeds up to 25 Mbps. Viasat starting prices are higher than average in Diamond Bar at $50/mo. for speeds up to 25 Mbps. Satellite internet is a less appealing option for many Diamond Bar residents, however, as service typically comes with high latency and low data allowances.

Internet provider frequently asked questions

Spectrum is the fastest internet provider in Diamond Bar with download speeds up to 300 Mbps. These speeds are available to 100% of households in Diamond Bar. The next fastest internet provider in Diamond Bar is Frontier, offering download speeds up to 30 Mbps to 92% of the area.

Frontier offers the cheapest internet in Diamond Bar with plans starting at $27.99/mo. This is significantly less than the average starting price for internet in Diamond Bar, $42.59.

Frontier is the largest fiber-optic internet service provider in Diamond Bar, covering 68% of the city.

Yes. Fiber-optic internet is a completely different technology than DSL or cable internet, and therefore requires a different type of modem. In many cases, you can get the required modem from your internet provider at no extra cost.

There are benefits to using your own router vs. buying or renting one from your internet provider, such as lower monthly costs and more product options. If you choose to use your own router, keep in mind that your internet provider’s tech support may not be able to fully assist you with your personal router. Select providers may not give you the option to use your own router.

The only broadband internet type that requires a phone line is DSL and dial-up, which use phone lines to deliver service. Other internet types, such as cable, fiber-optic and satellite, require no phone line for broadband service.