---
title: "3: MCC 234 MNC 20"
mcc: "234"
mnc: "20"
plmn: "23420"
tadig: "GBRHU"
brand: "3"
operator: "Hutchison 3G UK Ltd"
country: "United Kingdom"
country_iso: "GB"
region: "Europe"
technologies: ["3G", "4G", "5G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/234_20"
---

# 3: MCC 234, MNC 20 (United Kingdom)

**3** (operator: Hutchison 3G UK Ltd) is a mobile network in [United Kingdom](https://mcc-mnc.org/countries/united_kingdom.md) (Europe), identified by MCC **234** and MNC **20**: PLMN ID 23420, also written 234-20 or 234 20, with the TADIG roaming code **GBRHU**. It runs 3G, 4G and 5G. Calling: VoLTE: Likely.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 234 |
| MNC (Mobile Network Code) | 20 |
| PLMN ID (MCC+MNC) | 23420 |
| TADIG code | GBRHU |
| Brand | 3 |
| Operator | Hutchison 3G UK Ltd |
| Country | United Kingdom (GB) |
| Region | Europe |
| Dialling code | — |
| Technologies | 3G, 4G, 5G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | No bands on file | 6 |
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.md) | 1,580 |
| 4G | [LTE 800](https://mcc-mnc.org/coverage/lte_800.md), [LTE 1800](https://mcc-mnc.org/coverage/lte_1800.md), [LTE 2100](https://mcc-mnc.org/coverage/lte_2100.md) | 19,864 |
| 5G | [5G 3500](https://mcc-mnc.org/coverage/5g_3500.md) | 397 |

## Voice & calling services

| Service | Status | Source |
|---|---|---|
| VoLTE | Likely | Network publishes an IMS APN |
| VoWiFi | Unknown | — |
| ViLTE | Unknown | — |
| VoNR | Unknown | — |

A service not marked Supported or Not supported is unknown: no data either way, not a sign that the network lacks it.

## About 3

Hutchison 3G UK Ltd, operating under the brand "3," is a mobile network operator in the United Kingdom. As part of the larger conglomerate CK Hutchison Holdings, "3" was one of the first to heavily champion 3G technology in the UK and across Europe. Assigned the Mobile Country Code (MCC) 234 and Mobile Network Code (MNC) 20, 3 distinguishes itself within the UK's mobile landscape. Unlike some of the other legacy and larger operators like Vodafone or EE (formerly Orange and T-Mobile), 3 initially focused almost exclusively on providing 3G data services, which gave it a unique market position and a strong appeal to data-hungry consumers.

With the proliferation of 4G and now 5G, "3" has naturally evolved its network infrastructure, aiming to provide comprehensive coverage across the UK. Although perhaps not boasting the absolute widest geographic 4G coverage of its competitors, 3 remains competitive, and is known for having the fastest average 5G speeds on the UK networks. It continues to differentiate itself with competitive data plans and innovative services, often targeting younger demographics. The network plays a significant role in the UK's telecommunications sector, contributing to the advancement of mobile technology and shaping consumer expectations.

## MVNOs on 3

- [Smarty](https://mcc-mnc.org/mvno/smarty.md) (sub-brand of the operator)
- [Google Fi](https://mcc-mnc.org/mvno/google-fi.md)
- [iD Mobile](https://mcc-mnc.org/mvno/id-mobile.md)
- [Superdrug](https://mcc-mnc.org/mvno/superdrug.md)

## APN settings

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| 3 | `three.co.uk` | default, ia, mms, supl, xcap | — | `http://mms.um.three.co.uk:10021/mmsc` | mms.three.co.uk | 8799 | AOSP |
| 3 Internet | `three.co.uk` | default, supl | — | — | — | — | LineageOS |
| 3 Modem | `3internet` | default, supl | — | — | — | — | LineageOS |
| 3 UK | `three.co.uk` | default, mms, supl | — | `http://mms.um.three.co.uk:10021/mmsc` | 217.171.129.2 | 8799 | LineageOS |
| iD Mobile (UK) | `id` | default, mms | — | `http://mms.um.idmobile.co.uk:10021/mmsc` | mms.idmobile.co.uk | 8799 | LineageOS |
| 3 MMS | `three.co.uk` | mms | — | `http://mms.um.three.co.uk:10021/mmsc` | 217.171.129.2 | 8799 | LineageOS |
| 3 IMS | `ims` | ims | IPV4V6 | — | — | — | AOSP |
| 3 Hotspot | `3hotspot` | dun | — | — | — | — | AOSP |

Settings come from Android's AOSP and LineageOS APN lists and user corrections.

## APN settings: Smarty

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| SMARTY | `mob.asm.net` | default, ia, mms, supl | — | `http://mms.um.three.co.uk:10021/mmsc` | mms.three.co.uk | 8799 | AOSP |
| SMARTY IMS | `ims` | ims | IPV4V6 | — | — | — | AOSP |
| SMARTY Ut | `mob.asm.net` | xcap | — | — | — | — | AOSP |

## APN settings: iD Mobile

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| iD Mobile | `id` | default, ia, mms, supl | — | `http://mms.um.idmobile.co.uk:10021/mmsc` | mms.idmobile.co.uk | 8799 | AOSP |
| iD Mobile IMS | `ims` | ims | IPV4V6 | — | — | — | AOSP |
| iD Mobile Ut | `id` | xcap | — | — | — | — | AOSP |

## APN settings: Superdrug

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| Superdrug | `superdrug.net` | default, ia, mms, supl | — | `http://mms.um.three.co.uk:10021/mmsc` | mms.three.co.uk | 8799 | AOSP |
| Superdrug IMS | `ims` | ims | IPV4V6 | — | — | — | AOSP |
| Superdrug Ut | `superdrug.net` | xcap | — | — | — | — | AOSP |

## APN settings: Other brands (brand not identified)

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| GAMMA | `gamma` | default, ia, mms, supl | — | `http://mms.um.three.co.uk:10021/mmsc` | mms.three.co.uk | 8799 | AOSP |

## Android carrier config highlights

| Setting | Value | Key |
|---|---|---|
| Call settings over Ut/XCAP | Yes | `carrier_supports_ss_over_ut_bool` |
| Default MTU | 1440 | `default_mtu_int` |
| Show 4G for LTE data icon | Yes | `show_4g_for_lte_data_icon_bool` |
| Treated as home (not roaming) | 23410, 23426, 23430, 23431, 23432, 23433, 23434, 23486 | `non_roaming_operator_string_array` |

## Cell towers

OpenCelliD has measured **21,847** cells on this network across 2,091 location/tracking areas, first seen 2012-08-20 and last seen 2026-09-17 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| GSM | 2G | 6 |
| UMTS | 3G | 1,580 |
| LTE | 4G | 19,864 |
| NR | 5G | 397 |

Locate a single cell by MCC, MNC, LAC/TAC and cell ID with the https://mcc-mnc.org/cell-id-lookup tool, `GET /api/v1/cells` or the MCP `lookup_cell` tool. Cell data from OpenCelliD (https://opencellid.org), licensed CC BY-SA 4.0.

## Other networks in United Kingdom

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 234 | 00 | [BT](https://mcc-mnc.org/networks/234_00.md) | — |
| 234 | 01 | [Vectone Mobile](https://mcc-mnc.org/networks/234_01.md) | — |
| 234 | 02 | [O2 UK](https://mcc-mnc.org/networks/234_02.md) | — |
| 234 | 04 | [FMS Solutions Ltd](https://mcc-mnc.org/networks/234_04.md) | — |
| 234 | 05 | [COLT Mobile Telecommunications Limited](https://mcc-mnc.org/networks/234_05.md) | — |
| 234 | 06 | [Internet Computer Bureau Limited](https://mcc-mnc.org/networks/234_06.md) | — |
| 234 | 07 | [Vodafone UK](https://mcc-mnc.org/networks/234_07.md) | — |
| 234 | 08 | [BT OnePhone](https://mcc-mnc.org/networks/234_08.md) | — |
| 234 | 09 | [Tismi BV](https://mcc-mnc.org/networks/234_09.md) | — |
| 234 | 10 | [O2 UK](https://mcc-mnc.org/networks/234_10.md) | GBRCN |
| 234 | 11 | [O2 UK](https://mcc-mnc.org/networks/234_11.md) | — |
| 234 | 12 | [Railtrack](https://mcc-mnc.org/networks/234_12.md) | — |
| 234 | 13 | [Railtrack](https://mcc-mnc.org/networks/234_13.md) | — |
| 234 | 14 | [Hay Systems Ltd](https://mcc-mnc.org/networks/234_14.md) | — |
| 234 | 15 | [Vodafone UK](https://mcc-mnc.org/networks/234_15.md) | GBRVF |
| 234 | 16 | [TalkTalk](https://mcc-mnc.org/networks/234_16.md) | — |
| 234 | 17 | [FleXtel Limited](https://mcc-mnc.org/networks/234_17.md) | — |
| 234 | 18 | [Cloud9](https://mcc-mnc.org/networks/234_18.md) | — |
| 234 | 19 | [Private Mobile Networks PMN](https://mcc-mnc.org/networks/234_19.md) | — |
| 234 | 21 | [LogicStar Ltd](https://mcc-mnc.org/networks/234_21.md) | — |
| 234 | 22 | [Telesign Mobile Limited](https://mcc-mnc.org/networks/234_22.md) | — |
| 234 | 23 | [Icron Network Limited](https://mcc-mnc.org/networks/234_23.md) | — |
| 234 | 24 | [Greenfone](https://mcc-mnc.org/networks/234_24.md) | — |
| 234 | 25 | [Truphone](https://mcc-mnc.org/networks/234_25.md) | — |
| 234 | 26 | [Lycamobile](https://mcc-mnc.org/networks/234_26.md) | — |
| 234 | 27 | [Teleena UK Limited](https://mcc-mnc.org/networks/234_27.md) | — |
| 234 | 28 | [Marathon Telecom Limited](https://mcc-mnc.org/networks/234_28.md) | — |
| 234 | 29 | [aql](https://mcc-mnc.org/networks/234_29.md) | — |
| 234 | 30 | [T-Mobile UK](https://mcc-mnc.org/networks/234_30.md) | GBRME |
| 234 | 31 | [T-Mobile UK](https://mcc-mnc.org/networks/234_31.md) | — |
| 234 | 32 | [T-Mobile UK](https://mcc-mnc.org/networks/234_32.md) | — |
| 234 | 33 | [Orange](https://mcc-mnc.org/networks/234_33.md) | GBROR |
| 234 | 34 | [Orange](https://mcc-mnc.org/networks/234_34.md) | — |
| 234 | 35 | [JSC Ingenium (UK) Limited](https://mcc-mnc.org/networks/234_35.md) | — |
| 234 | 36 | [Sure Mobile](https://mcc-mnc.org/networks/234_36.md) | — |
| 234 | 37 | [Synectiv Ltd](https://mcc-mnc.org/networks/234_37.md) | — |
| 234 | 38 | [Virgin Mobile](https://mcc-mnc.org/networks/234_38.md) | — |
| 234 | 39 | [Gamma Telecom Holdings Ltd.](https://mcc-mnc.org/networks/234_39.md) | — |
| 234 | 51 | [Relish](https://mcc-mnc.org/networks/234_51.md) | — |
| 234 | 52 | [Shyam Telecom UK Ltd](https://mcc-mnc.org/networks/234_52.md) | — |
| 234 | 53 | [Limitless Mobile Ltd](https://mcc-mnc.org/networks/234_53.md) | — |
| 234 | 54 | [iD Mobile](https://mcc-mnc.org/networks/234_54.md) | — |
| 234 | 56 | [CESG](https://mcc-mnc.org/networks/234_56.md) | — |
| 234 | 57 | [Sky UK Limited](https://mcc-mnc.org/networks/234_57.md) | — |
| 234 | 59 | [Limitless Mobile Ltd](https://mcc-mnc.org/networks/234_59.md) | — |
| 234 | 70 | [AMSUK Ltd.](https://mcc-mnc.org/networks/234_70.md) | — |
| 234 | 71 | [Home Office](https://mcc-mnc.org/networks/234_71.md) | — |
| 234 | 72 | [Hanhaa Mobile](https://mcc-mnc.org/networks/234_72.md) | — |
| 234 | 73 | [Bluewave Communications Ltd](https://mcc-mnc.org/networks/234_73.md) | — |
| 234 | 76 | [BT](https://mcc-mnc.org/networks/234_76.md) | — |
| 234 | 78 | [Airwave](https://mcc-mnc.org/networks/234_78.md) | — |
| 234 | 86 | [EE](https://mcc-mnc.org/networks/234_86.md) | — |
| 235 | 01 | [EE](https://mcc-mnc.org/networks/235_01.md) | — |
| 235 | 02 | [EE](https://mcc-mnc.org/networks/235_02.md) | — |
| 235 | 03 | [Relish](https://mcc-mnc.org/networks/235_03.md) | — |
| 235 | 04 | [University of Strathclyde](https://mcc-mnc.org/networks/235_04.md) | — |
| 235 | 06 | [University of Strathclyde](https://mcc-mnc.org/networks/235_06.md) | — |
| 235 | 07 | [University of Strathclyde](https://mcc-mnc.org/networks/235_07.md) | — |
| 235 | 77 | [BT](https://mcc-mnc.org/networks/235_77.md) | — |
| 235 | 88 | [Telet Research (N.I.) Limited](https://mcc-mnc.org/networks/235_88.md) | — |
| 235 | 91 | [Vodafone UK](https://mcc-mnc.org/networks/235_91.md) | — |
| 235 | 92 | [Vodafone UK](https://mcc-mnc.org/networks/235_92.md) | — |
| 235 | 94 | [Hutchison 3G UK Ltd](https://mcc-mnc.org/networks/235_94.md) | — |
| 235 | 95 | [Network Rail Infrastructure Limited](https://mcc-mnc.org/networks/235_95.md) | — |

MCC 234 is also used outside United Kingdom: see [every network on MCC 234](https://mcc-mnc.org/mcc/234.md).

---

HTML version: https://mcc-mnc.org/networks/234_20 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.