United Kingdom: Mobile Coverage & Carriers
The United Kingdom has four major mobile network operators: EE, O2, Vodafone, and Three. All three radio generations—3G, 4G/LTE, and 5G—are commercially launched across the country. A roaming eSIM in the UK is likely to connect using LTE bands B20 (800 MHz), B3 (1800 MHz), B1 (2100 MHz), and B7 (2600 MHz), with 5G connectivity available on n78 (3.5 GHz) and n28 (700 MHz) where coverage exists.
Local UK carriers issue eSIMs, making it straightforward for travelers and new users to activate service digitally. The combination of established 4G infrastructure and expanding 5G deployment ensures broad coverage options across populated areas and increasingly into regional locations.
| Connectivity | As publicly reported |
|---|---|
| Network generations | 3G, 4G/LTE, 5G |
| Main mobile networks (MNOs) | EE, O2, Vodafone, Three |
| Key travel bands | B20(800), B3(1800), B1(2100), B7(2600), n78(3.5GHz), n28(700) |
| Local eSIM support | Local carriers issue eSIMs |
| Region | Europe |
| Capital | London |
| Calling code | +44 |
eSIM for United Kingdom → · eSIM vs roaming →
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.