---
title: "MT: MCC 234 MNC 58"
mcc: "234"
mnc: "58"
plmn: "23458"
tadig: "GBRMT"
brand: "MT"
operator: "Manx Telecom"
country: "Isle of Man"
country_iso: "IM"
region: "Europe"
technologies: ["2G", "3G", "4G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/234_58"
---

# MT: MCC 234, MNC 58 (Isle of Man)

**MT** (operator: Manx Telecom) is a mobile network in [Isle of Man](https://mcc-mnc.org/countries/isle_of_man.md) (Europe), identified by MCC **234** and MNC **58**: PLMN ID 23458, also written 234-58 or 234 58, with the TADIG roaming code **GBRMT**. It runs 2G, 3G and 4G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 234 |
| MNC (Mobile Network Code) | 58 |
| PLMN ID (MCC+MNC) | 23458 |
| TADIG code | GBRMT |
| Brand | MT |
| Operator | Manx Telecom |
| Country | Isle of Man (IM) |
| Region | Europe |
| Dialling code | — |
| Technologies | 2G, 3G, 4G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | [GSM 900](https://mcc-mnc.org/coverage/gsm_900.md) | 3 |
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.md) | 17 |
| 4G | [LTE 800](https://mcc-mnc.org/coverage/lte_800.md), [LTE 1800](https://mcc-mnc.org/coverage/lte_1800.md) | 100 |

## 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 MT

Manx Telecom GSM, operating in the Isle of Man, Europe, is the island's primary mobile network. Identified by the Mobile Country Code (MCC) 234 and Mobile Network Code (MNC) 58, it provides comprehensive mobile services to residents and visitors alike. As the longest-established telecommunications provider on the Isle of Man, Manx Telecom plays a crucial role in connecting the island, offering 2G, 3G, and 4G LTE services and driving digital connectivity. They compete with other mobile providers present on the Isle of Man, and their infrastructure significantly contributes to the island's overall communication landscape.

Beyond voice and data, Manx Telecom leverages its network infrastructure to offer a range of services, including mobile broadband, IoT solutions, and business-focused communication tools. Their role extends beyond simple connectivity, encompassing a broader commitment to supporting the Isle of Man's digital economy. They also have close association and partnerships to the UK networks, and offer services for UK users on the island. The company also invests in infrastructure upgrades to enhance network coverage and capacity, ensuring reliable communication services across the diverse terrain of the island.

## APN settings

| Name | APN | Types | Protocol | Username | Password | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|---|---|
| 3G HSDPA | `3gpronto` | default, ia, supl | — | — | — | — | — | — | AOSP |
| Manx Internet(Post) | `3gpronto` | default, supl | — | — | — | — | — | — | LineageOS |
| Manx Internet(Post) | `web.manxpronto.net` | default, supl | — | `gprs` | `gprs` | — | — | — | LineageOS |
| Manx Internet(Pre) | `web.prontogo.net` | default, supl | — | `webgo` | `webgo` | — | — | — | LineageOS |
| Manx Telecom | `3gpronto` | default, mms, supl | — | — | — | `http://mms.manxpronto.net:8002` | — | — | LineageOS |
| Manx Telecom Contract | `internet` | default, ia, supl | — | — | — | — | — | — | AOSP |
| Manx Telecom Prepay | `web.prontogo.net` | default, ia, supl | — | `webgo` | `webgo` | — | — | — | AOSP |
| Manx WAP(Pre) | `wap.prontogo.net` | default, supl | — | `wapgo` | `wapgo` | — | — | — | LineageOS |
| mobiledata | `mobiledata` | default | IPV4V6 | — | — | — | — | — | User-contributed |
| Manx Telecom Contract MMS | `mms.manxpronto.net` | mms | — | `mms` | `mms` | `http://mms.manxpronto.net:8002` | 195.10.99.46 | 8080 | AOSP, LineageOS |
| Manx Telecom Prepay MMS | `mms.prontogo.net` | mms | — | `mmsgo` | `mmsgo` | `http://mms.manxpronto.net:8002` | 195.10.99.41 | 8080 | AOSP, LineageOS |

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

## Android carrier config highlights

| Setting | Value | Key |
|---|---|---|
| Voicemail number | 121 | `default_vm_number_string` |
| Show 4G for LTE data icon | Yes | `show_4g_for_lte_data_icon_bool` |

## Cell towers

OpenCelliD has measured **120** cells on this network across 7 location/tracking areas, first seen 2014-09-25 and last seen 2026-06-30 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| GSM | 2G | 3 |
| UMTS | 3G | 17 |
| LTE | 4G | 100 |

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 Isle of Man

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

## Recent changes

- 2026-09-21: The APN was changed to mobiledata (default).
- 2026-08-13: The code was updated to +4476244.

---

HTML version: https://mcc-mnc.org/networks/234_58 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.