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eSIM for United Kingdom

United Kingdom at a glance

Generations
3G, 4G/LTE, 5G
Main carriers
EE, O2, Vodafone, Three
Local eSIM
Local carriers issue eSIMs
Calling code
+44

A travel eSIM for the United Kingdom connects to networks operated by EE, O2, Vodafone, and Three, which support 3G, 4G/LTE, and 5G across key frequency bands including 800 MHz (B20), 1800 MHz (B3), 2100 MHz (B1), 2600 MHz (B7), and 5G bands at 3.5 GHz (n78) and 700 MHz (n28). Travel eSIMs function on any modern eSIM-capable phone and automatically route to available local networks.

For visitors, a travel eSIM is typically the cheapest and easiest option in the United Kingdom. While roaming charges from a home carrier tend to be expensive, the travel-eSIM market here is highly competitive, making dedicated travel eSIMs the preferred choice for connectivity during your stay. Local carriers also issue eSIMs as an alternative if you prefer a traditional approach.

ConnectivityAs publicly reported
Network generations3G, 4G/LTE, 5G
Main mobile networks (MNOs)EE, O2, Vodafone, Three
Key travel bandsB20(800), B3(1800), B1(2100), B7(2600), n78(3.5GHz), n28(700)
Local eSIM supportLocal carriers issue eSIMs
RegionEurope
CapitalLondon
Calling code+44

Travel eSIM or local SIM in United Kingdom?

Roaming from a home carrier is typically expensive here, but the travel-eSIM market is highly competitive — a travel eSIM is usually the cheapest, easiest option for visitors. See the eSIM-vs-roaming view for this country →

Travel eSIM plans for United Kingdom

Live plans and prices here are supplied by the eSIM provider feed (Airalo / Holafly / Saily) at publish time — not stored or estimated on this page. A travel eSIM works on almost any modern eSIM-capable phone regardless of whether local carriers issue eSIMs. Open the plan finder →

A person using a smartphone, illustrating mobile connectivity abroad
Photo: Kristin Hardwick / Wikimedia Commons (CC0)

Frequently asked questions

Will a travel eSIM work in United Kingdom?
A travel eSIM (Airalo, Holafly, Saily and similar) installs on almost any modern eSIM-capable phone and roams onto the local networks listed above, whether or not local carriers issue their own eSIMs.
How much does an eSIM for this country cost?
Plans and prices are supplied by the eSIM provider feed at publish time and vary by data amount and validity, so this page does not list a price — open the plan finder for live options.

Full coverage & carriers → · eSIM vs roaming → · Look up another country →

Compiled from public-record telecom facts (the MNO roster, commercially-launched 3G/4G/5G generations, deployed travel-relevant bands and local-eSIM support) and verified June 2026; see the source we compile this country from. How we compile this. Plan prices are supplied by the eSIM provider feed at publish time, not stored here.

Travel-eSIM country connectivity cheat-sheet

Each country's mobile generations, carriers and roaming-vs-eSIM verdict on one page. Free. No prices — those come from the provider feed.

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