---
title: "CTM: MCC 455 MNC 04"
mcc: "455"
mnc: "04"
plmn: "45504"
brand: "CTM"
operator: "Companhia de Telecomunicações de Macau, S.A.R.L."
country: "Macau"
country_iso: "MO"
region: "Asia & Middle East"
technologies: ["3G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/455_04"
---

# CTM: MCC 455, MNC 04 (Macau)

**CTM** (operator: Companhia de Telecomunicações de Macau, S.A.R.L.) is a mobile network in [Macau](https://mcc-mnc.org/countries/macau.md) (Asia & Middle East), identified by MCC **455** and MNC **04**: PLMN ID 45504, also written 455-04 or 455 04. It runs 3G. Calling: VoLTE: Likely.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 455 |
| MNC (Mobile Network Code) | 04 |
| PLMN ID (MCC+MNC) | 45504 |
| TADIG code | — |
| Brand | CTM |
| Operator | Companhia de Telecomunicações de Macau, S.A.R.L. |
| Country | Macau (MO) |
| Region | Asia & Middle East |
| Dialling code | — |
| Technologies | 3G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.md) | — |

## 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 CTM

Companhia de Telecomunicações de Macau, S.A.R.L. (CTM) stands as the primary telecommunications provider in Macau, a Special Administrative Region of China situated in Asia. Operating with the Mobile Country Code (MCC) 455 and Mobile Network Code (MNC) 04, CTM offers a comprehensive suite of services, including mobile, fixed-line, and internet solutions. Serving both residents and the significant influx of tourists Macau sees annually, CTM plays a vital role in the region’s connectivity. Competitors in Macau include Hutchison Telecom Macau, but CTM's long-standing presence has established it as a leader in the local market.

CTM's mobile network utilizes various technologies to provide its services, ensuring wide coverage across Macau's densely populated areas and its islands. As Macau continues to embrace technological advancements, CTM continues to develop its network to enhance its services, reflecting Macau's position as a dynamic hub in the Asia & Middle East region. The company's strategic location allows it to cater to both local communication needs and the demands of international visitors.

## APN settings

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| CTM (Prepaid) | `ctmprepaid` | default, ia, mms, supl | IPV4V6 | `http://mms.wap.ctm.net:8002` | 192.168.99.3 | 8080 | AOSP, LineageOS |
| CTM Data | `ctm-mobile` | default, ia, supl | IPV4V6 | — | — | — | AOSP, LineageOS |
| CTM MMS | `ctmmms` | mms | IPV4V6 | `http://mms.wap.ctm.net:8002` | 192.168.99.3 | 8080 | AOSP, LineageOS |
| CTM IMS | `ims` | ims | IPV4V6 | — | — | — | AOSP, LineageOS |
| CTM XCAP | `XCAP` | xcap | — | — | — | — | AOSP, LineageOS |

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

## Other networks in Macau

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 455 | 00 | [SmarTone](https://mcc-mnc.org/networks/455_00.md) | MACSM |
| 455 | 01 | [CTM](https://mcc-mnc.org/networks/455_01.md) | MACCT |
| 455 | 02 | [China Telecom](https://mcc-mnc.org/networks/455_02.md) | — |
| 455 | 03 | [3](https://mcc-mnc.org/networks/455_03.md) | MACHT |
| 455 | 05 | [3](https://mcc-mnc.org/networks/455_05.md) | — |
| 455 | 06 | [SmarTone](https://mcc-mnc.org/networks/455_06.md) | — |
| 455 | 07 | [China Telecom](https://mcc-mnc.org/networks/455_07.md) | — |

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HTML version: https://mcc-mnc.org/networks/455_04 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.