---
title: "Telekom: MCC 231 MNC 04"
mcc: "231"
mnc: "04"
plmn: "23104"
brand: "Telekom"
operator: "Slovak Telekom"
country: "Slovakia"
country_iso: "SK"
region: "Europe"
technologies: ["2G", "3G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/231_04"
---

# Telekom: MCC 231, MNC 04 (Slovakia)

**Telekom** (operator: Slovak Telekom) is a mobile network in [Slovakia](https://mcc-mnc.org/countries/slovakia.md) (Europe), identified by MCC **231** and MNC **04**: PLMN ID 23104, also written 231-04 or 231 04. It runs 2G and 3G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 231 |
| MNC (Mobile Network Code) | 04 |
| PLMN ID (MCC+MNC) | 23104 |
| TADIG code | — |
| Brand | Telekom |
| Operator | Slovak Telekom |
| Country | Slovakia (SK) |
| Region | Europe |
| Dialling code | — |
| Technologies | 2G, 3G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | [GSM 1800](https://mcc-mnc.org/coverage/gsm_1800.md), [GSM 900](https://mcc-mnc.org/coverage/gsm_900.md) | — |
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.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 Telekom

Slovak Telekom, operating in Slovakia (Europe) under Mobile Country Code (MCC) 231 and Mobile Network Code (MNC) 04, is a leading mobile network and telecommunications provider in the country. As part of the Deutsche Telekom group, Slovak Telekom leverages international expertise and resources to deliver a comprehensive range of services, including mobile voice and data, fixed-line telephony, and high-speed internet. The network plays a crucial role in connecting individuals, businesses, and communities across Slovakia, offering nationwide coverage and investing in advanced technologies such as 5G to cater for growing bandwidth demands and modern communication needs.

Compared to other mobile operators in Slovakia, such as Orange Slovensko and O2 Slovakia, Slovak Telekom has historically held a significant market share, often competing fiercely with Orange for the top spot. Known for its robust infrastructure and diverse service portfolio, Slovak Telekom continually upgrades its network to offer competitive speeds and reliable connectivity. Its commitment to innovation and customer satisfaction ensures Slovak Telekom remains a key player in Slovakia's dynamic telecommunications landscape, shaping the digital experience for its residents from Bratislava to Košice and beyond.

## APN settings

| Name | APN | Types | Protocol | Username | Password | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|---|---|
| T-Mobile SK | `internet` | default, supl | — | — | — | — | — | — | LineageOS |
| T-Mobile SK MMS | `mms` | mms | — | `mms` | `mms` | `http://mms` | 192.168.1.1 | 8080 | LineageOS |

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

## Other networks in Slovakia

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 231 | 01 | [Orange](https://mcc-mnc.org/networks/231_01.md) | SVKGT |
| 231 | 02 | [Telekom](https://mcc-mnc.org/networks/231_02.md) | SVKET |
| 231 | 03 | [4ka](https://mcc-mnc.org/networks/231_03.md) | — |
| 231 | 05 | [Orange](https://mcc-mnc.org/networks/231_05.md) | — |
| 231 | 06 | [O2](https://mcc-mnc.org/networks/231_06.md) | SVKO2 |
| 231 | 07 | [Towercom, a. s.](https://mcc-mnc.org/networks/231_07.md) | — |
| 231 | 08 | [Uniphone, s.r.o.](https://mcc-mnc.org/networks/231_08.md) | — |
| 231 | 09 | [DSI DATA, a.s.](https://mcc-mnc.org/networks/231_09.md) | — |
| 231 | 10 | [HMZ RÁDIOKOMUNIKÁCIE, spol. s r.o.](https://mcc-mnc.org/networks/231_10.md) | — |
| 231 | 99 | [ŽSR](https://mcc-mnc.org/networks/231_99.md) | — |

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