---
title: "olleh: MCC 450 MNC 08"
mcc: "450"
mnc: "08"
plmn: "45008"
tadig: "KORKF"
brand: "olleh"
operator: "KT"
country: "South Korea"
country_iso: "KR"
region: "Asia & Middle East"
technologies: ["3G", "4G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/450_08"
---

# olleh: MCC 450, MNC 08 (South Korea)

**olleh** (operator: KT) is a mobile network in [South Korea](https://mcc-mnc.org/countries/south_korea.md) (Asia & Middle East), identified by MCC **450** and MNC **08**: PLMN ID 45008, also written 450-08 or 450 08, with the TADIG roaming code **KORKF**. It runs 3G and 4G. Calling: VoLTE: Supported.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 450 |
| MNC (Mobile Network Code) | 08 |
| PLMN ID (MCC+MNC) | 45008 |
| TADIG code | KORKF |
| Brand | olleh |
| Operator | KT |
| Country | South Korea (KR) |
| Region | Asia & Middle East |
| Dialling code | — |
| Technologies | 3G, 4G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.md) | 201 |
| 4G | [LTE 1800](https://mcc-mnc.org/coverage/lte_1800.md), [LTE 2100](https://mcc-mnc.org/coverage/lte_2100.md), [LTE 900](https://mcc-mnc.org/coverage/lte_900.md) | 2,997 |
| 5G | No bands on file | 1 |

## Voice & calling services

| Service | Status | Source |
|---|---|---|
| VoLTE | Supported | Android carrier config |
| 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 olleh

KT Olleh, operating in South Korea, is a major mobile network provider under the Mobile Country Code (MCC) 450, which identifies South Korea, and the Mobile Network Code (MNC) 08. As one of the leading telecommunications companies in the vibrant and technologically advanced Asia & Middle East region, specifically within South Korea, KT Olleh plays a crucial role in connecting millions of subscribers. It’s deeply interwoven into the fabric of South Korean society, offering a wide array of communication services, from basic voice calls and text messaging to advanced 5G data connectivity. KT Olleh competes alongside other prominent players like SK Telecom and LG Uplus in the highly competitive South Korean mobile market, constantly striving to innovate and provide superior network coverage and customer service.

Known for its robust infrastructure and early adoption of cutting-edge technologies, KT Olleh was among the first to roll out widespread 5G services in South Korea, cementing its position as a technology leader. Beyond its core mobile offerings, KT Olleh contributes significantly to South Korea's smart city initiatives, IoT (Internet of Things) developments, and digital transformation efforts. The network's commitment to providing reliable connectivity extends to supporting various sectors, including education, healthcare, and transportation. As South Korea continues to be a global hub for technological advancement, KT Olleh's role in facilitating seamless and efficient communication remains paramount.

## APN settings

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| KT | `lte.ktfwing.com` | cbs, default, fota, ia, mms, supl | IPV4V6 | `http://mmsc.ktfwing.com:9082` | — | — | AOSP |
| KT | `lte.ktfwing.com` | cbs, default, fota, mms, supl | — | `http://mmsc.ktfwing.com:9082` | — | — | LineageOS |
| KT IMS | `IMS` | ims | IPV4V6 | — | — | — | AOSP |
| KT IMS | `IMS` | ims | IPV4V6 | — | — | — | LineageOS |

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

## Android carrier config highlights

| Setting | Value | Key |
|---|---|---|
| Allow emergency numbers in call log | Yes | `allow_emergency_numbers_in_call_log_bool` |
| Allow emergency video calls | Yes | `allow_emergency_video_calls_bool` |
| Support conference call | No | `support_conference_call_bool` |
| VoLTE available | Yes | `carrier_volte_available_bool` |
| Default MTU | 1450 | `default_mtu_int` |
| Enable mmsdelivery reports | No | `enableMMSDeliveryReports` |
| Enable mmsread reports | No | `enableMMSReadReports` |
| Enable smsdelivery reports | No | `enableSMSDeliveryReports` |
| Max MMS image height | 1944 | `maxImageHeight` |
| Max MMS image width | 2592 | `maxImageWidth` |
| Max MMS size (bytes) | 1048576 | `maxMessageSize` |
| Bandwidth | GPRS:24,24, EDGE:70,18, UMTS:115,115, CDMA-IS95A:14,14, CDMA-IS95B:14,14, 1xRTT:30,30, EvDo-rev.0:750,48, EvDo-rev.A:950,550, HSDPA:4300,620, HSUPA:4300,1800, H… | `bandwidth_string_array` |
| Carrier instant lettering encoding | EUC-KR | `carrier_instant_lettering_encoding_string` |
| Carrier instant lettering invalid chars | ["<>\\\n] | `carrier_instant_lettering_invalid_chars_string` |
| Carrier instant lettering length limit | 64 | `carrier_instant_lettering_length_limit_int` |

## Cell towers

OpenCelliD has measured **3,199** cells on this network across 257 location/tracking areas, first seen 2014-09-27 and last seen 2026-08-31 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| UMTS | 3G | 201 |
| LTE | 4G | 2,997 |
| NR | 5G | 1 |

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 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 | 11 | [Tplus](https://mcc-mnc.org/networks/450_11.md) | — |
| 450 | 12 | [SKTelecom](https://mcc-mnc.org/networks/450_12.md) | — |

---

HTML version: https://mcc-mnc.org/networks/450_08 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.