Key facts
- COVERAGE
- Jersey
- NETWORKS
- JT
- PLAN TYPE
- Data only
- IP ADDRESS LOCATION
- Netherlands if usage is in Europe. Virginia if usage is in the USA
- DELIVERY
- QR code by email
How it works
- 1Choose a plan and pay.
- 2Scan the QR code we email you. You can install it before you fly.
- 3When you land in Jersey, turn on data roaming for the Spidot line.
Questions about the Jersey eSIM
Which networks does it use?
Do I get a local phone number?
Can I use it outside Jersey?
How do I install it?
Will my phone work with an eSIM?
Is Jersey part of the UK for mobile roaming?
Why does my phone show a French network on the east coast?
Will I have signal on the north coast cliff path?
Can I use Jersey notes in the UK?
Will my Jersey eSIM work on a day trip to Sark or Guernsey?
Jersey eSIM guide: mobile data for St Helier, the coast paths and island hopping
Jersey is the largest of the Channel Islands, lying in the Gulf of St Malo much closer to the coast of Normandy than to England. It is small enough to cross by car in under half an hour, but it packs in long sandy bays, granite cliffs, castles, wartime tunnels, country lanes and one of the largest tidal ranges in the world. Visitors use mobile data to check bus times and tide tables, find restaurants and beach cafés, book activities and keep in touch at home.
Jersey is a self-governing Crown Dependency. It is not part of the United Kingdom or the European Union, and that matters for mobile phones: many visitors expect their home roaming allowance to cover the island and find that it does not. This guide explains how a Jersey eSIM from Spidot compares with roaming and a local SIM, how much data a short break uses, what to do on arrival by air or sea, and what to expect from coverage around the island.
Why roaming in Jersey can catch people out
Because Jersey is outside both the UK and the EU, it is outside UK domestic allowances and outside the EU's Roam like at Home rules. Some UK and European providers include Jersey in their roaming bundles; others treat it as a separate destination with its own charges. The rules differ from one provider to the next and change over time, so check your provider's list of included destinations before you travel.
Visitors arriving from France and visitors from outside Europe should check their terms in the same way. On the east coast in particular, your phone may also pick up networks from the French coast, so it is worth knowing which network you are connected to.
Your options for mobile data in Jersey
The choices are roaming on your home SIM, a local SIM, or a travel eSIM installed before you leave.
A local SIM
Local SIMs are sold in shops in St Helier. A Jersey number makes sense for people working or staying on the island for a long time. For a weekend or a week, swapping SIMs means texts to your usual number, such as bank codes, will not reach you while the local SIM is in.
A Spidot eSIM
With a travel eSIM you buy a plan online, receive a QR code by email and install it at home. Plans for Jersey start from $14.90. Your own SIM stays active for calls and texts while the eSIM handles data. Plans are data-only unless you choose Data + calls. If your home provider charges for calls in Jersey, using messaging apps over data is a simple way to keep in touch.
How much data a trip to Jersey uses
Most trips to Jersey are short breaks or week-long family holidays, with walking, cycling, beaches and food rather than heavy streaming. The figures below are rough estimates for planning, not exact measurements.
- Maps and bus times: roughly 5 to 10 MB an hour of active use.
- Messaging with photos: often 50 to 200 MB a day.
- Social media with video: often 300 MB to 1 GB an hour.
- Video calls home: roughly 500 MB to 1 GB an hour.
- Streaming video in the evening: often 1 to 3 GB an hour in HD, unless you use hotel Wi-Fi.
Choosing a plan
For a weekend or a week of sightseeing, a small or mid-sized fixed data plan is usually enough, especially if your hotel has good Wi-Fi. If you will work remotely or share data with family, choose a larger plan, or an unlimited plan priced by the day; speed may slow after heavy use. People who visit regularly, for family or business, can use a no-expiry plan so unused data carries over. See the prices page for current options.
Install the eSIM before you travel
Install the eSIM at home on Wi-Fi so you have data as soon as you arrive. Make sure your phone supports eSIM and is unlocked; dialling *#06# shows an EID on most eSIM phones. Then follow the install guide for iPhone, Samsung or Pixel.
- Label the new line Jersey or Travel.
- Set the Spidot line for mobile data and keep your home SIM for calls and texts.
- Turn off data roaming on your home SIM if your provider charges for Jersey.
- Download an offline map of the island; it is small enough to save in one go.
- Save ferry or flight bookings, hire car details and accommodation addresses offline.
Arriving by air or by sea
Jersey Airport is in the parish of St Peter, in the west of the island, a short drive or bus ride from St Helier. Flights connect Jersey with airports in the UK and, seasonally, other parts of Europe. Ferries arrive at the Elizabeth Harbour in St Helier from ports on the south coast of England, from Guernsey and from St Malo in France.
- Turn off flight mode after landing, or once the ferry is close to the island.
- Turn on data roaming for the Spidot line; the data roaming guide shows where the setting is.
- Give the phone a minute to find a network, and restart it once if nothing happens.
- Check data works before you head off.
Data on the ferry
During the crossing, signal comes and goes. Close to the coasts you may pick up networks in England, France or the Channel Islands, and in mid-Channel you may have none. Some ferries offer onboard Wi-Fi or connect to a maritime network, which may be charged separately by your home provider. Keep data roaming off on your home SIM during the crossing if you want to avoid this, and download anything you need for the journey before you board.
Coverage around the island
Jersey is small and fairly densely settled, and mobile coverage is generally good across the island. Your eSIM uses local partner networks; for this plan they are JT. The phone chooses automatically.
St Helier and the south coast
St Helier, the long sweep of St Aubin's Bay and St Brelade's Bay are well connected. Signal may be weaker inside thick-walled buildings such as Elizabeth Castle and the Jersey War Tunnels, which were built by the occupying German forces during the Second World War.
The north coast cliffs and the west
The north coast is a line of high cliffs and small bays, including Bouley Bay, Bonne Nuit and Grève de Lecq, linked by a cliff path. Signal can weaken at the bottom of steep valleys and in some coves. St Ouen's Bay on the west coast, popular for surfing, is open and generally well covered.
The east coast and Gorey
Gorey, with Mont Orgueil Castle above the harbour, and the east coast face the French coast. Your phone may connect to French networks here if it can see them, which matters if you are roaming on a home SIM. If you use a Spidot eSIM and notice a French network name, select a Jersey network manually in your settings.
Tides, beaches and staying safe
Jersey's tidal range is one of the largest in the world. At low tide, large areas of rock, reef and sand are exposed, especially off the south-east coast, and the sea returns quickly. Walks to places such as Seymour Tower are best done with a local guide, and walking out to Elizabeth Castle is only possible at low tide.
- Check tide times before walking on the beach or across to tidal islands; tide tables are published online.
- Keep your phone charged and in a waterproof pouch near the sea.
- Do not rely on calling for help once the tide has turned; plan your return time in advance.
- The emergency number is 999 or 112; ask for the coastguard if you see someone in difficulty at sea.
Getting around Jersey
Jersey is easy to explore by bus, bicycle, hire car or on foot. The island bus network, LibertyBus, runs from the Liberation Station in St Helier to most parts of the island, and its app shows timetables and live bus times. Many roads are narrow, and Jersey has a network of Green Lanes with a low speed limit where walkers, cyclists and horse riders have priority.
- Jersey drives on the left.
- Parking in many public car parks uses paycards or an app, so having data when you arrive helps.
- Cycling routes and walking trails are well signposted, but downloading an offline map is useful on the coast path.
- Day trips to Guernsey, Sark and the French coast run by ferry in season; check sailing times online.
Payments, hotspot use and Wi-Fi
Jersey uses the pound sterling, and the island issues its own notes and coins alongside Bank of England ones. Jersey notes are not generally accepted in the UK, so spend them or swap them before you leave. Cards and contactless payments are widely accepted.
If you need data on a laptop, turn on Personal Hotspot (iPhone) or Mobile Hotspot (Android) and pause cloud sync and automatic updates while tethered. Hotels, cafés and some public places offer Wi-Fi. Use mobile data rather than public Wi-Fi for banking and payments, check network names before connecting and turn off auto-join for open networks.
Combining Jersey with Guernsey, France or the UK
Many visitors combine Jersey with Guernsey, a short ferry ride away, or with Brittany and Normandy in France. Others travel on to or from the United Kingdom. A Jersey plan is designed for use in Jersey; for the other stops, the simplest approach is one eSIM per destination, installed before you leave so you can switch the active data line when you arrive. If you are travelling more widely in Europe, check whether Jersey is on the Europe plan's country list before relying on it here.
Keeping track of your data
You can check how much data is left at any time and add more data to the same eSIM. If data stops working, check that data roaming is on for the Spidot line, make sure the phone is not connected to a French network, and restart it. For other problems, email support@spidot.com with the email address you used to order.