---
title: "T Star: MCC 466 MNC 90"
mcc: "466"
mnc: "90"
plmn: "46690"
brand: "T Star"
operator: "Taiwan Star Telecom"
country: "Taiwan"
country_iso: "TW"
region: "Asia & Middle East"
technologies: ["4G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/466_90"
---

# T Star: MCC 466, MNC 90 (Taiwan)

**T Star** (operator: Taiwan Star Telecom) is a mobile network in [Taiwan](https://mcc-mnc.org/countries/taiwan.md) (Asia & Middle East), identified by MCC **466** and MNC **90**: PLMN ID 46690, also written 466-90 or 466 90. It runs 4G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 466 |
| MNC (Mobile Network Code) | 90 |
| PLMN ID (MCC+MNC) | 46690 |
| TADIG code | — |
| Brand | T Star |
| Operator | Taiwan Star Telecom |
| Country | Taiwan (TW) |
| Region | Asia & Middle East |
| Dialling code | — |
| Technologies | 4G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 4G | [LTE 900](https://mcc-mnc.org/coverage/lte_900.md) | — |

## 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 T Star

Taiwan Star Telecom (T Star), operating in Taiwan (Asia & Middle East), is a mobile network provider with the Mobile Country Code (MCC) 466 and Mobile Network Code (MNC) 90. It competes in a vibrant telecommunications market alongside established players like Chunghwa Telecom, Taiwan Mobile, and Far EasTone. T Star initially focused on offering cost-effective plans and innovative services targeting price-sensitive consumers, contributing to increased competition and affordability within the Taiwanese mobile landscape. Although smaller in subscriber base compared to the dominant networks, T Star played a crucial role in shaping the market dynamics.

The network utilized its allocated spectrum to deliver voice, SMS, and data services to its subscribers nationwide. As the mobile technology landscape evolved, T Star transitioned from older generation networks to 4G LTE to enhance data speeds and capacity. Taiwan Star's commitment to innovation, especially in niche service areas, solidified its unique presence in the Taiwanese mobile ecosystem. The network's history reflects the changing dynamics of the mobile telecommunications sector in Taiwan.

## Other networks in Taiwan

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 466 | 01 | [FarEasTone](https://mcc-mnc.org/networks/466_01.md) | TWNFE |
| 466 | 02 | [FarEasTone](https://mcc-mnc.org/networks/466_02.md) | — |
| 466 | 03 | [FarEasTone](https://mcc-mnc.org/networks/466_03.md) | — |
| 466 | 05 | [APTG](https://mcc-mnc.org/networks/466_05.md) | — |
| 466 | 06 | [FarEasTone](https://mcc-mnc.org/networks/466_06.md) | — |
| 466 | 07 | [FarEasTone](https://mcc-mnc.org/networks/466_07.md) | — |
| 466 | 09 | [VMAX](https://mcc-mnc.org/networks/466_09.md) | — |
| 466 | 10 | [G1](https://mcc-mnc.org/networks/466_10.md) | — |
| 466 | 11 | [Chunghwa LDM](https://mcc-mnc.org/networks/466_11.md) | — |
| 466 | 12 | [Ambit Microsystems](https://mcc-mnc.org/networks/466_12.md) | — |
| 466 | 56 | [FITEL](https://mcc-mnc.org/networks/466_56.md) | — |
| 466 | 68 | [Tatung InfoComm](https://mcc-mnc.org/networks/466_68.md) | — |
| 466 | 88 | [FarEasTone](https://mcc-mnc.org/networks/466_88.md) | — |
| 466 | 89 | [T Star](https://mcc-mnc.org/networks/466_89.md) | TWNTG |
| 466 | 92 | [Chunghwa](https://mcc-mnc.org/networks/466_92.md) | TWNLD |
| 466 | 93 | [MobiTai](https://mcc-mnc.org/networks/466_93.md) | — |
| 466 | 97 | [Taiwan Mobile](https://mcc-mnc.org/networks/466_97.md) | TWNPC |
| 466 | 99 | [TransAsia](https://mcc-mnc.org/networks/466_99.md) | — |

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