---
title: "DIALLOG: MCC 257 MNC 03"
mcc: "257"
mnc: "03"
plmn: "25703"
brand: "DIALLOG"
operator: "BelCel"
country: "Belarus"
country_iso: "BY"
region: "Europe"
technologies: ["2G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/257_03"
---

# DIALLOG: MCC 257, MNC 03 (Belarus)

**DIALLOG** (operator: BelCel) is a mobile network in [Belarus](https://mcc-mnc.org/countries/belarus.md) (Europe), identified by MCC **257** and MNC **03**: PLMN ID 25703, also written 257-03 or 257 03. It runs 2G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 257 |
| MNC (Mobile Network Code) | 03 |
| PLMN ID (MCC+MNC) | 25703 |
| TADIG code | — |
| Brand | DIALLOG |
| Operator | BelCel |
| Country | Belarus (BY) |
| Region | Europe |
| Dialling code | — |
| Technologies | 2G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | [CDMA 450](https://mcc-mnc.org/coverage/cdma_450.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 DIALLOG

BelCel DIALLOG, operating in Belarus, is recognized as a key mobile network provider in the Eastern European nation. Identified by the Mobile Country Code (MCC) 257, which universally designates Belarus, and the Mobile Network Code (MNC) 03, BelCel DIALLOG plays a vital role in the country's telecommunications landscape. It offers a range of services to its subscribers across Belarus, contributing to the nation's growing connectivity and digital infrastructure.

While Belarus's mobile market features a few major players, BelCel DIALLOG strives to offer competitive services within this landscape. Unlike some larger networks which may have deployed more advanced technologies sooner, BelCel DIALLOG has focused on providing reliable and accessible communication options, potentially addressing specific segments of the Belarusian market or focusing on particular geographic regions. Further investigation may be required to identify details of technologies deployed in the network.

## Other networks in Belarus

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 257 | 01 | [A1](https://mcc-mnc.org/networks/257_01.md) | BLRMD |
| 257 | 02 | [MTS](https://mcc-mnc.org/networks/257_02.md) | BLR02 |
| 257 | 04 | [life:)](https://mcc-mnc.org/networks/257_04.md) | — |
| 257 | 05 | [byfly](https://mcc-mnc.org/networks/257_05.md) | — |
| 257 | 06 | [beCloud](https://mcc-mnc.org/networks/257_06.md) | — |

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