---
title: "SKTelecom: MCC 450 MNC 12"
mcc: "450"
mnc: "12"
plmn: "45012"
brand: "SKTelecom"
operator: "SK Telecom"
country: "South Korea"
country_iso: "KR"
region: "Asia & Middle East"
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/450_12"
---

# SKTelecom: MCC 450, MNC 12 (South Korea)

**SKTelecom** (operator: SK Telecom) is a mobile network in [South Korea](https://mcc-mnc.org/countries/south_korea.md) (Asia & Middle East), identified by MCC **450** and MNC **12**: PLMN ID 45012, also written 450-12 or 450 12.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 450 |
| MNC (Mobile Network Code) | 12 |
| PLMN ID (MCC+MNC) | 45012 |
| TADIG code | — |
| Brand | SKTelecom |
| Operator | SK Telecom |
| Country | South Korea (KR) |
| Region | Asia & Middle East |
| 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 SKTelecom

SK Telecom (SKTelecom) is South Korea’s largest mobile network operator, holding a significant market share in the highly competitive South Korean telecommunications landscape. Operating across the entire country, SK Telecom provides a wide array of services, including mobile voice, data, and innovative tech solutions. Identified by the Mobile Country Code (MCC) 450, designating South Korea, and the Mobile Network Code (MNC) 12, SK Telecom distinguishes itself within the Korean market and throughout Asia & Middle East. They have historically been at the forefront of technological advancements in the region, frequently being one of the first to roll-out new network technologies such as 5G and beyond.

In a country known for its advanced technology infrastructure, SK Telecom competes fiercely with other major players like KT and LG Uplus. They continue to adapt their infrastructure and services for the ever-changing consumer and business needs while serving the demanding market in South Korea, a region known for its high mobile penetration and data usage. SK Telecom remains a important mobile operator in South Korea and the wider Asia & Middle East, and is identifiable world-wide through its unique MCC 450 and MNC 12 identifiers.

## Other networks in South Korea

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 450 | 01 | [Globalstar Asia Pacific](https://mcc-mnc.org/networks/450_01.md) | — |
| 450 | 02 | [KT](https://mcc-mnc.org/networks/450_02.md) | — |
| 450 | 03 | [Power 17](https://mcc-mnc.org/networks/450_03.md) | — |
| 450 | 04 | [KT](https://mcc-mnc.org/networks/450_04.md) | — |
| 450 | 05 | [SKTelecom](https://mcc-mnc.org/networks/450_05.md) | KORSK |
| 450 | 06 | [LG U](https://mcc-mnc.org/networks/450_06.md) | KORLU |
| 450 | 07 | [KT](https://mcc-mnc.org/networks/450_07.md) | — |
| 450 | 08 | [olleh](https://mcc-mnc.org/networks/450_08.md) | KORKF |
| 450 | 11 | [Tplus](https://mcc-mnc.org/networks/450_11.md) | — |

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