---
title: "Sure Mobile: MCC 234 MNC 55"
mcc: "234"
mnc: "55"
plmn: "23455"
brand: "Sure Mobile"
operator: "Sure (Guernsey) Limited"
country: "Guernsey"
country_iso: "GG"
region: "Europe"
technologies: ["2G", "3G", "4G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/234_55"
---

# Sure Mobile: MCC 234, MNC 55 (Guernsey)

**Sure Mobile** (operator: Sure (Guernsey) Limited) is a mobile network in [Guernsey](https://mcc-mnc.org/countries/guernsey.md) (Europe), identified by MCC **234** and MNC **55**: PLMN ID 23455, also written 234-55 or 234 55. It runs 2G, 3G and 4G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 234 |
| MNC (Mobile Network Code) | 55 |
| PLMN ID (MCC+MNC) | 23455 |
| TADIG code | — |
| Brand | Sure Mobile |
| Operator | Sure (Guernsey) Limited |
| Country | Guernsey (GG) |
| Region | Europe |
| Dialling code | — |
| Technologies | 2G, 3G, 4G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | [GSM 1800](https://mcc-mnc.org/coverage/gsm_1800.md), [GSM 900](https://mcc-mnc.org/coverage/gsm_900.md) | 8 |
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.md) | 95 |
| 4G | [LTE 800](https://mcc-mnc.org/coverage/lte_800.md), [LTE 1800](https://mcc-mnc.org/coverage/lte_1800.md) | 12 |
| 5G | No bands on file | 2 |

## Voice & calling services

| Service | Status | Source |
|---|---|---|
| VoLTE | Unknown | — |
| 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 Sure Mobile

Sure (Guernsey) Limited, operating as Sure Mobile, is a prominent mobile network operator serving the island of Guernsey, a self-governing British Crown Dependency located in Europe. Identification of mobile networks globally relies on numerical codes, and Sure Mobile is cataloged under Mobile Country Code (MCC) 234, shared with the United Kingdom, and a unique Mobile Network Code (MNC) of 55. This unique identifier allows mobile devices to connect, authenticate and access Sure’s network services on the Channel Island.

As one of the primary telecommunications providers in Guernsey, Sure Mobile offers a comprehensive suite of services including voice calls, SMS messaging, and mobile data. In a competitive market alongside JT (Guernsey) Limited, Sure invests significantly in network infrastructure improvements, including 4G and potentially 5G deployments, to provide reliable and high-speed connectivity to both residents and visitors within the Guernsey region. Sure plays an important role in the island's communications, and provides services for consumers, businesses and governments, to ensure they can have easy access to telecommunications services.

## APN settings

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| C&W Guernsey Internet | `internet` | default, ia, supl | — | — | — | — | AOSP |
| Lifestyle GPRS | `mobilefunemail` | default, hipri, supl | — | — | — | — | LineageOS |
| Sure Internet | `internet` | default, supl | — | — | — | — | LineageOS |
| Sure WAP | `wap` | default, supl | — | — | — | — | LineageOS |
| Sure Picture Messaging | `mms` | mms | — | `http://mmsc.gprs.cw.com/` | 10.0.3.101 | 80 | AOSP, LineageOS |

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

## Cell towers

OpenCelliD has measured **117** cells on this network across 13 location/tracking areas, first seen 2015-06-11 and last seen 2026-09-14 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| GSM | 2G | 8 |
| UMTS | 3G | 95 |
| LTE | 4G | 12 |
| NR | 5G | 2 |

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 Guernsey

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 234 | 03 | [Vodafone](https://mcc-mnc.org/networks/234_03.md) | — |

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

---

HTML version: https://mcc-mnc.org/networks/234_55 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.