TDC vs Telenor vs Telia: which is best in Denmark?

TDC (the legacy incumbent, now part of Nuuday and sold under the YouSee brand for consumers) has the widest and most mature network, and is what most international eSIM providers default to. Telenor and Telia both run solid networks in their own right and share infrastructure with each other in places, so the practical difference for a short trip is small — TDC just has the edge in the more rural corners of Jutland.

How much data do I need in Denmark?

A few days in Copenhagen needs about 3–5 GB, mostly for the metro app, restaurant bookings, and Google Maps between Nyhavn and Christiania. A longer trip that adds Legoland, Aarhus, and a Bornholm ferry crossing runs closer to 8–12 GB.

Best eSIM for Denmark 2025

Q: Does eSIM work in Denmark?

Yes. TDC, Telenor, and Telia all support eSIM and run strong 4G/5G across the whole country — Denmark is small, flat, and densely built out, so there's very little in the way of genuine dead zones on the mainland or the main islands.

Q: Does a Denmark eSIM work in Greenland or the Faroe Islands?

No — and this catches people out. Greenland and the Faroe Islands are autonomous territories within the Kingdom of Denmark, but they run entirely separate telecom markets (Tusass in Greenland, Føroya Tele / Hey in the Faroes), not covered by any mainland Danish network. If your trip includes either, you'll need a dedicated local or regional eSIM for that leg — a Denmark plan simply won't register there.

Q: Is there signal on the Øresund Bridge to Sweden?

Yes, the whole crossing is covered, but your phone may pick up a Swedish tower partway across and start roaming onto a Swedish network before you've technically left Denmark. It's harmless under EU roaming rules if your eSIM plan covers both countries, but worth knowing if you bought a Denmark-only plan and wondered why the carrier name changed on the train to Malmö.

TDC vs Telenor vs Telia, why the Øresund Bridge can quietly switch you onto a Swedish network, Bornholm and Jutland coverage, and the one thing a Denmark eSIM can't do for you.

Networks

TDC · Telenor · Telia

Best network

TDC — widest rural Jutland reach

Currency

DKK (Danish Krone)

Greenland / Faroes

Separate networks — not included

Denmark is about as easy as travel connectivity gets

There's not much drama here. Denmark is small enough to drive across Jutland in an afternoon with time left for a coffee stop, and it's spent two decades building out fiber and mobile like it actually matters. Get on the M3 at Kongens Nytorv and your podcast keeps playing the whole way under the harbor — no buffering, no "reconnecting" spinner, which still throws people who've just landed from somewhere the underground goes quiet. The one real gotcha here isn't a coverage gap. It's assuming a "Denmark" plan covers the whole Kingdom, when it doesn't.

Greenland and the Faroe Islands are not on a Danish network

Both are self-governing territories of the Kingdom of Denmark, but each runs its own telecom operator entirely separate from mainland Denmark — Tusass in Greenland, Føroya Tele (branded Hey) in the Faroes. If a trip itinerary includes Nuuk or Tórshavn on top of Copenhagen, budget for a second, local plan on that leg — our Greenland guide and Faroe Islands guide each cover that leg in full, including why EU roaming doesn't reach either of them and why no worldwide plan does either.

TDC vs Telenor vs Telia

Network	Strengths	Best for
TDC	Denmark's legacy incumbent (part of Nuuday, sold to consumers as YouSee); the most mature and widest-reaching network, including deep rural Jutland; default choice for most international eSIM providers	Full-country trips, road trips through Jutland, general first choice
Telenor	Strong urban and suburban coverage, competitive pricing, shares some infrastructure with Telia in less-dense areas	Copenhagen, Aarhus, and the main island cities
Telia	Solid nationwide 4G/5G, very close in practice to Telenor given the network-sharing arrangement between the two	Same use case as Telenor — either works well city-to-city

Coverage by destination

Copenhagen (Nyhavn, Tivoli, the Metro)

Excellent everywhere, including underground on the driverless M3/M4 Metro loop. Nyhavn's colorful harbor front and the Little Mermaid statue area: full coverage even on a packed Saturday.

Christiania

Full bars through the whole freetown, for what it's worth — the only thing that stops here is your camera, not your signal. Pusher Street asks you to put it away, and locals will tell you directly if you forget.

Øresund Bridge / train to Malmö

Covered the whole way across, but your phone may briefly register on a Swedish tower before you've technically crossed the border. Not a problem if your plan covers both countries; worth knowing if it doesn't.

Legoland Billund (Jutland)

Full coverage across the park and the surrounding town — Billund is small but well-served, largely because the airport sits right next to it.

Aarhus

Denmark's second city has coverage on par with Copenhagen, including the harbor-front ARoS museum and the Latin Quarter's narrow streets.

Skagen (the northern tip)

Good coverage right up to Grenen, the sandy spit where the Skagerrak and Kattegat seas meet — a popular spot to stand with one foot in each, camera-ready, without worrying about signal.

Bornholm

The Baltic Sea island reachable by ferry or short flight has solid coverage in Rønne and Gudhjem, thinning out slightly on the coastal cliff paths near Hammershus, Northern Europe's largest castle ruin.

Wadden Sea / Rømø tidal flats

Coverage on the mainland approach is fine; walking or riding out onto the tidal flats themselves can drop to a weak single bar, which is honestly part of why it feels remote.

How much data do you need in Denmark?

Denmark rewards light packing on the data front the same way it rewards light packing on the suitcase front — the country is compact, walkable, and well-signed, so you're not burning gigabytes on navigation the way you might somewhere sprawling. Most usage ends up going to transit apps, restaurant bookings (Copenhagen restaurants fill up fast, especially anything near Nyhavn), and photos backing up in real time.

Trip type	Recommended data
Copenhagen city break (3–4 days)	3–5 GB
Copenhagen + Legoland + Aarhus (7–10 days)	8–12 GB
Adding a Bornholm ferry crossing	+2–3 GB
Cruise port day (Copenhagen)	1–2 GB
Remote work / digital nomad	30–50 GB per month

Booking tip

Noma and its like don't take phone bookings anymore — it's all through their own site, released weeks out, and gone within a day. Get your eSIM working before you land so you're refreshing the page from baggage claim, not from the hotel lobby an hour too late.

Frequently asked questions

Does eSIM work in Denmark?

Yes, and it's not close — TDC, Telenor, and Telia all support eSIM, and 4G/5G reaches nearly everywhere in a country this flat and this well-wired. If you find a genuine dead spot outside a tidal flat, it's rare enough to be worth mentioning to someone.

TDC vs Telenor vs Telia — which should I pick?

TDC has the widest reach, particularly in rural Jutland, and is what most international eSIM providers default to. Telenor and Telia are both strong in cities and share some infrastructure, so the difference is minor for a typical trip.

Does a Denmark eSIM work in Greenland or the Faroe Islands?

No. Both are separate telecom markets from mainland Denmark — Tusass in Greenland and Føroya Tele (Hey) in the Faroes — despite being part of the Kingdom of Denmark. You'll need a dedicated plan for either.

Is there signal on the Øresund Bridge to Sweden?

Yes, the crossing is covered, though your phone may briefly pick up a Swedish tower before you've fully crossed the border. Fine if your plan covers both countries.

How much data do I need for a Denmark trip?

A few days in Copenhagen needs about 3–5 GB. Adding Legoland, Aarhus, or a Bornholm ferry crossing pushes that to 8–12 GB for a longer trip.

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