--- title: "Department of Defence: MCC 505 MNC 04" mcc: "505" mnc: "04" plmn: "50504" operator: "Department of Defence" country: "Australia" country_iso: "AU" region: "Oceania" updated: "2025-04-09" canonical: "https://mcc-mnc.org/networks/505_04" --- # Department of Defence: MCC 505, MNC 04 (Australia) **Department of Defence** is a mobile network in [Australia](https://mcc-mnc.org/countries/australia.md) (Oceania), identified by MCC **505** and MNC **04**: PLMN ID 50504, also written 505-04 or 505 04. ## Identifiers | Field | Value | |---|---| | MCC (Mobile Country Code) | 505 | | MNC (Mobile Network Code) | 04 | | PLMN ID (MCC+MNC) | 50504 | | TADIG code | — | | Brand | — | | Operator | Department of Defence | | Country | Australia (AU) | | Region | Oceania | | Dialling code | — | | Technologies | — | | Last updated | 2025-04-09 | ## Technologies & bands No bands on file for this network. ## 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 Department of Defence The Department of Defence in Australia utilizes a dedicated mobile network operating under the Mobile Country Code (MCC) 505, which identifies Australia, and the Mobile Network Code (MNC) 04. This specialized network is crucial for secure and reliable communication within the Australian Defence Force (ADF), ensuring operational effectiveness across various terrains and scenarios within Oceania. Unlike commercial networks such as Telstra (MNC 01), Optus (MNC 02) or Vodafone (MNC 03), the Department of Defence network prioritizes security and resilience, often employing encryption and hardened infrastructure to safeguard sensitive information. Given the vastness of Australia and its strategic importance in the Oceania region, this mobile network likely leverages a mix of technologies, potentially including satellite communication, to extend coverage beyond areas easily served by terrestrial cell towers. While specific equipment and configurations remain confidential for security reasons, it’s understood that the network is continuously updated with modern technologies to stay ahead of potential threats. The ADF also likely uses this distinct spectrum to avoid congestion and interference from civilian networks, thus maintaining priority access during emergencies and ensuring consistent connectivity for critical operations, which could be seen as a major differentiation in network provision when compared with it’s commercial counterparts. ## Other networks in Australia | MCC | MNC | Network | TADIG | |---|---|---|---| | 505 | 01 | [Telstra](https://mcc-mnc.org/networks/505_01.md) | AUSTA | | 505 | 02 | [Optus](https://mcc-mnc.org/networks/505_02.md) | AUSOP | | 505 | 03 | [Vodafone](https://mcc-mnc.org/networks/505_03.md) | AUSVF | | 505 | 05 | [Ozitel](https://mcc-mnc.org/networks/505_05.md) | — | | 505 | 06 | [3](https://mcc-mnc.org/networks/505_06.md) | — | | 505 | 07 | [Vodafone](https://mcc-mnc.org/networks/505_07.md) | — | | 505 | 08 | [One Tel](https://mcc-mnc.org/networks/505_08.md) | — | | 505 | 09 | [Airnet](https://mcc-mnc.org/networks/505_09.md) | — | | 505 | 10 | [Norfolk Is](https://mcc-mnc.org/networks/505_10.md) | — | | 505 | 11 | [Telstra](https://mcc-mnc.org/networks/505_11.md) | — | | 505 | 12 | [3](https://mcc-mnc.org/networks/505_12.md) | — | | 505 | 13 | [RailCorp](https://mcc-mnc.org/networks/505_13.md) | — | | 505 | 14 | [AAPT](https://mcc-mnc.org/networks/505_14.md) | — | | 505 | 15 | [3GIS](https://mcc-mnc.org/networks/505_15.md) | — | | 505 | 16 | [VicTrack](https://mcc-mnc.org/networks/505_16.md) | — | | 505 | 17 | [Optus](https://mcc-mnc.org/networks/505_17.md) | — | | 505 | 18 | [Pactel](https://mcc-mnc.org/networks/505_18.md) | — | | 505 | 19 | [Lycamobile](https://mcc-mnc.org/networks/505_19.md) | — | | 505 | 20 | [Ausgrid Corporation](https://mcc-mnc.org/networks/505_20.md) | — | | 505 | 21 | [Queensland Rail Limited](https://mcc-mnc.org/networks/505_21.md) | — | | 505 | 22 | [iiNet Ltd](https://mcc-mnc.org/networks/505_22.md) | — | | 505 | 23 | [Challenge Networks Pty Ltd](https://mcc-mnc.org/networks/505_23.md) | — | | 505 | 24 | [Advanced Communications Technologies Pty. Ltd.](https://mcc-mnc.org/networks/505_24.md) | — | | 505 | 25 | [Pilbara Iron Company Services Pty Ltd](https://mcc-mnc.org/networks/505_25.md) | — | | 505 | 26 | [Dialogue Communications Pty. Ltd.](https://mcc-mnc.org/networks/505_26.md) | — | | 505 | 27 | [Nexium Telecommunications](https://mcc-mnc.org/networks/505_27.md) | — | | 505 | 28 | [RCOM International Pty Ltd](https://mcc-mnc.org/networks/505_28.md) | — | | 505 | 30 | [Compatel Limited](https://mcc-mnc.org/networks/505_30.md) | — | | 505 | 31 | [BHP Billiton](https://mcc-mnc.org/networks/505_31.md) | — | | 505 | 32 | [Thales Australia](https://mcc-mnc.org/networks/505_32.md) | — | | 505 | 33 | [CLX Networks Pty Ltd](https://mcc-mnc.org/networks/505_33.md) | — | | 505 | 34 | [Santos Limited](https://mcc-mnc.org/networks/505_34.md) | — | | 505 | 35 | [MessageBird Pty Ltd](https://mcc-mnc.org/networks/505_35.md) | — | | 505 | 36 | [Optus](https://mcc-mnc.org/networks/505_36.md) | — | | 505 | 37 | [Yancoal Australia Ltd](https://mcc-mnc.org/networks/505_37.md) | — | | 505 | 38 | [Truphone](https://mcc-mnc.org/networks/505_38.md) | — | | 505 | 39 | [Telstra](https://mcc-mnc.org/networks/505_39.md) | — | | 505 | 40 | [CITIC Pacific Mining](https://mcc-mnc.org/networks/505_40.md) | — | | 505 | 41 | [Aqura Technologies Pty](https://mcc-mnc.org/networks/505_41.md) | — | | 505 | 42 | [GEMCO](https://mcc-mnc.org/networks/505_42.md) | — | | 505 | 43 | [Arrow Energy Pty Ltd](https://mcc-mnc.org/networks/505_43.md) | — | | 505 | 44 | [Roy Hill Iron Ore Pty Ltd](https://mcc-mnc.org/networks/505_44.md) | — | | 505 | 45 | [Clermont Coal Operations Pty Ltd](https://mcc-mnc.org/networks/505_45.md) | — | | 505 | 46 | [AngloGold Ashanti Australia Ltd](https://mcc-mnc.org/networks/505_46.md) | — | | 505 | 47 | [Woodside Energy Limited](https://mcc-mnc.org/networks/505_47.md) | — | | 505 | 48 | [Titan ICT Pty Ltd](https://mcc-mnc.org/networks/505_48.md) | — | | 505 | 50 | [Pivotel Group Pty Limited](https://mcc-mnc.org/networks/505_50.md) | — | | 505 | 61 | [CommTel NS](https://mcc-mnc.org/networks/505_61.md) | — | | 505 | 62 | [NBN](https://mcc-mnc.org/networks/505_62.md) | — | | 505 | 68 | [NBN](https://mcc-mnc.org/networks/505_68.md) | — | | 505 | 71 | [Telstra](https://mcc-mnc.org/networks/505_71.md) | — | | 505 | 72 | [Telstra](https://mcc-mnc.org/networks/505_72.md) | — | | 505 | 88 | [Pivotel Group Pty Limited](https://mcc-mnc.org/networks/505_88.md) | — | | 505 | 90 | [Optus](https://mcc-mnc.org/networks/505_90.md) | — | | 505 | 99 | [One Tel](https://mcc-mnc.org/networks/505_99.md) | — | --- HTML version: https://mcc-mnc.org/networks/505_04 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.