Compare nbn® plans in Adelaide

Price isn't the only thing that matters when choosing nbn® Adelaide plans. What affects what you get for your plan price?

• Ongoing rates after any introductory offer ends
• Your typical evening speed
• How easy a provider is to deal with if something goes wrong

Compare Broadband's results are organic, sorted by price, and free to use. There is cheap internet Adelaide, but there's also best value internet to consider. Mobile broadband Adelaide, 5G and fixed wireless are all options, too.

Compare internet plans Adelaide today and stay connected to the best home internet plan.

What nbn® speed do Adelaide households need?

What counts as a good nbn® speed in Adelaide depends heavily on your connection type. About three in four Adelaide homes are separate houses. A growing share now connects via full fibre in new estates. The best internet plans Adelaide has to offer are all available via Compare Broadband.

Others connect through the Targeted Upgrade Program. So, nbn® 500 is now the more realistic starting tier for Adelaide households instead of nbn® 100.

If your address is still on FTTN or FTTC, nbn® 100 remains your practical ceiling until you upgrade to full fibre. Most homes are sized for a mid-tier plan once their connection type is confirmed.

The final Measuring Broadband Australia report found that nbn® fixed-line connections delivered full plan speeds at all hours. The report also showed that 99.4% during the busy evening window in its March 2026 measurement period (ACCC, 2026).

See our guide on the nbn® speed upgrade and what nbn speed do I need for a full breakdown by connection type.

What nbn® connection type is available in Adelaide?

Your nbn® connection type is fixed by the infrastructure at your address, not by which provider you choose.

Fibre-to-the-building connections are less common here than in more unit-dense capitals. Fibre-to-the-node, HFC and fibre-to-the-premises cover most of the metro area between them.

Newer suburbs, such as Lightsview, Bowden and Mawson Lakes, tend to have fibre-to-the-premises. This is where nbn® 500 is now the standard entry speed following the September 2025 upgrade.

Established middle and outer-ring suburbs are more likely to be on fibre-to-the-node. They are still capped near nbn® 100 until upgraded to full fibre. Selected inner northern and eastern suburbs are on the old cable TV network.

This network now uses HFC and meets the nbn® 500 standard. Addresses in the Adelaide Hills and other fringe areas may use Fixed Wireless or Sky Muster satellite. This applies where fixed-line infrastructure does not reach.

Some FTTN and FTTC addresses can get a free upgrade to full fibre.

This is available under nbn Co's Targeted Upgrade Program. Eligible homes will be contacted from 1st July 2027, with copper switch-offs from January 2028 (NBN Co, 2026). Check your FTTP upgrade eligibility on Compare Broadband before your provider contacts you.

Check your connection type and compare nbn® plans at your address

How do I switch nbn® providers in Adelaide?

Switching nbn® providers in Adelaide is straightforward if you're not on a fixed-term contract elsewhere. Most transfers complete within three to five business days, and your new provider handles the paperwork with nbn Co.

Read our full guide on how to switch nbn® providers for a step-by-step walkthrough.

Which nbn® providers are available in Adelaide?

All seven providers Compare Broadband works with operate nationally on the nbn® network. Your plan lineup depends on your connection type.

Telstra also operates across Adelaide and holds the largest nbn® market share nationally. Compare Broadband doesn't sell Telstra plans directly, call 1300 764 000 to compare alternatives at your address.

See all nbn® providers available in Adelaide

Is 5G or fixed wireless home internet available in Adelaide?

Yes, 5G home internet and nbn® Fixed Wireless are both available in parts of Adelaide. It can be a practical option in fringe suburbs and the Adelaide Hills where fixed line nbn® doesn't reach. Performance depends on how far you are from the nearest tower. It also depends on what sits between you and the tower. 

So, compare it with a fixed-line plan at your address before deciding. Read our nbn® vs 5G comparison guide for a full breakdown.

Compare 5G and nbn® options at your Adelaide address

Hayley Griffin Content Lead Hayley draws on over ten years of experience in technology, internet, and communications fields. Her experience spans across global clients, offering expertise on about the nbn, internet plans and hardware challenges facing Australian households, businesses and consumers. Read full bio

References

• Australian Bureau of Statistics (ABS) (2021) 2021 Greater Adelaide, Census All Persons QuickStats. Canberra: ABS. Available from: abs.gov.au
• Government of South Australia (2024) Living Adelaide: The 30-Year Plan for Greater Adelaide, Population and Demographics Factsheet. Adelaide: PlanSA. Available from: plan.sa.gov.au
• Australian Competition and Consumer Commission (ACCC) (2026) Measuring Broadband Australia, Report 33 (June 2026, final report). Canberra: ACCC. Available from: accc.gov.au
• NBN Co (2025) nbn Co to accelerate higher speed tiers and launch multi-gigabit speeds in September 2025. Available from: nbnco.com.au
• NBN Co (2026) Targeted Upgrade Program. Available from: nbn.com.au