---
title: "O2: MCC 231 MNC 06"
mcc: "231"
mnc: "06"
plmn: "23106"
tadig: "SVKO2"
brand: "O2"
operator: "O2 Slovakia"
country: "Slovakia"
country_iso: "SK"
region: "Europe"
technologies: ["2G", "3G", "4G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/231_06"
---

# O2: MCC 231, MNC 06 (Slovakia)

**O2** (operator: O2 Slovakia) is a mobile network in [Slovakia](https://mcc-mnc.org/countries/slovakia.md) (Europe), identified by MCC **231** and MNC **06**: PLMN ID 23106, also written 231-06 or 231 06, with the TADIG roaming code **SVKO2**. It runs 2G, 3G and 4G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 231 |
| MNC (Mobile Network Code) | 06 |
| PLMN ID (MCC+MNC) | 23106 |
| TADIG code | SVKO2 |
| Brand | O2 |
| Operator | O2 Slovakia |
| Country | Slovakia (SK) |
| Region | Europe |
| Dialling code | — |
| Technologies | 2G, 3G, 4G |
| 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) | 961 |
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.md) | 52 |
| 4G | [LTE 800](https://mcc-mnc.org/coverage/lte_800.md), [LTE 1800](https://mcc-mnc.org/coverage/lte_1800.md), [TD-LTE 3500](https://mcc-mnc.org/coverage/td-lte_3500.md), [TD-LTE 3700](https://mcc-mnc.org/coverage/td-lte_3700.md) | 3,800 |

## 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 O2

O2 Slovakia, operating under MCC 231 and MNC 06, provides mobile network services across Slovakia, a country in Central Europe known for its stunning natural landscapes and vibrant cities. As one of the key players in the Slovakian telecommunications market, O2 competes with other major networks to deliver comprehensive connectivity solutions, including voice, data, and various mobile internet packages. The company has focused on expanding its 4G LTE coverage throughout the country, aiming to provide reliable high-speed internet access to both urban and rural areas.

Historically, O2 Slovakia has been recognized for its innovative offerings and customer-centric approach, often introducing competitive pricing plans and service bundles designed to attract a broad spectrum of subscribers. Compared to competitors like Orange Slovensko and Slovak Telekom, O2 differentiates itself through a commitment to transparency and flexible service options. This includes pay-as-you-go options and contract plans catering to different usage patterns. O2's presence is vital for ensuring competitive pricing and driving advancements in network technology across the Slovakian mobile landscape.

## APN settings

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| Internet | `O2 internet` | default, supl | — | — | — | — | LineageOS |
| O2 internet | `o2internet` | default, ia, supl | — | — | — | — | AOSP |
| O2 SK | `o2internet` | default, supl | — | — | — | — | LineageOS |
| mms | `o2 mms` | mms | — | `http://mms.o2world.sk:8002` | 10.97.1.11 | 8080 | LineageOS |
| O2 MMS | `o2mms` | mms | — | `http://mms.o2world.sk:8002` | 10.97.1.11 | 8080 | AOSP, LineageOS |

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

## Android carrier config highlights

| Setting | Value | Key |
|---|---|---|
| Show 4G for LTE data icon | Yes | `show_4g_for_lte_data_icon_bool` |

## Cell towers

OpenCelliD has measured **4,813** cells on this network across 93 location/tracking areas, first seen 2009-06-19 and last seen 2026-09-15 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| GSM | 2G | 961 |
| UMTS | 3G | 52 |
| LTE | 4G | 3,800 |

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 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 | 04 | [Telekom](https://mcc-mnc.org/networks/231_04.md) | — |
| 231 | 05 | [Orange](https://mcc-mnc.org/networks/231_05.md) | — |
| 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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