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Telstra and travel eSIM in Australia

Telstra is one of the networks your eSIM may use in Australia. Here is who actually decides which network you get, and what to do with that.

Author: Bob Kanokphon Thongdee · Co-founderReviewed by: Porsch Kunnipat SiramanakulPublished: October 12, 2026Last updated: October 12, 2026
Telstra and travel eSIM in Australia

Quick answer

  • 9 of the 70 Australia plans we sell name Telstra as a reachable network, at 4G.
  • Telstra runs LTE on B28, B5, B3, B1, B7 and 5G on n5, n78; your phone needs at least one of them.
  • Travel plans connect by roaming, so no plan can promise one specific network.

Telstra in brief

Telstra switched off its 3G network on 28 October 2024; phones now need 4G Band 28 (700 MHz) with VoLTE.

We are not a reseller for this operator and we have not run our own field speed tests. The band and network details below come from the sources listed at the end of the page.
Telstra and travel eSIM in Australia

Telstra's bands and technology

ItemTelstra
LTE (4G)B28, B5, B3, B1, B7
5G NRn5, n78
5G launchedLive
3GShut down
Network code (MCC-MNC)505-01

Checked against the sources on 2026-10-12. Only the bands a source confirmed are listed; the network may run others too.

An eSIM can only use Telstra if your phone supports at least one band in this table. Before you fly, open your model's spec page on the maker's site and compare its LTE and 5G band lists.

Telstra's coverage map

Telstra publishes its own coverage map. Look up the street or district you will stay in rather than the country as a whole, because coverage in town and out of town differs a great deal. The map shows Telstra's own network; a roaming plan may not get every technology it shows.

Who licenses Telstra

Mobile networks in Australia are licensed, and their spectrum assigned, by the Australian Communications and Media Authority (ACMA). The bands above are the ones it allocates. A problem with the local network's own service goes to the operator first; a problem with your eSIM plan comes to us.

Telstra and travel eSIM in Australia

The plans on our shelf that name Telstra

From the supplier record behind each package, 9 of the 70 plans we currently sell for Australia declare Telstra as a network the profile can reach, at 4G. The figure comes from the same catalogue that prices the plan pages, and it moves when the supplier revises the record.

A plan naming Telstra means the network sits in the list the profile may choose from. It does not mean your handset will stay on it. The priority order is the supplier's, and the signal where you stand decides.

Telstra beside the other networks in Australia

NetworkLTE bands5G bands
TelstraB28, B5, B3, B1, B7n5, n78
OptusB28, B8, B3, B1, B40, B7n8, n3, n1, n40, n78

A band shared across networks is one a single phone can use on all of them.

Why plans do not name a fixed network

Nearly every travel eSIM is a roaming product: the profile picks a network by an order the supplier sets, not by the buyer. If Telstra is weak where you are, try selecting Optus or Vodafone AU (TPG) manually in the network settings, and keep data roaming on for the eSIM profile.

FAQ

Will my eSIM definitely connect to Telstra?+

9 of our plans name Telstra as reachable, but that is not a guarantee. Travel plans run over roaming agreements, so the network depends on the supplier behind the plan, your device and where you are.

Which bands does my phone need for Telstra?+

At least one of these, LTE: B28, B5, B3, B1, B7; 5G: n5, n78. Your phone's band list is on the maker's spec page for your model, under "Cellular" or "Network".

Does Telstra run 5G, and will my plan get it?+

Yes. Telstra has run commercial 5G, on n5, n78. A travel plan only gets it when the plan permits 5G, your phone supports one of those bands, and you are inside 5G coverage. Miss any one and you fall back to 4G.

How do I see which network I am on?+

Check the carrier name at the top of the screen, or open the mobile-network settings and look at the operator list. If signal is poor, try selecting a network manually instead of automatic, but only one your plan actually supports.

Sources

About the author

Bob Kanokphon Thongdee

Bob Kanokphon Thongdee

  • Co-founder of eSIMonline.asia
  • More than 7 years in online marketing
  • Founder of Cojourney Visa and Cojourney Travel
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