---
title: "qb: MCC 456 MNC 03"
mcc: "456"
mnc: "03"
plmn: "45603"
brand: "qb"
operator: "Cambodia Advance Communications Co. Ltd"
country: "Cambodia"
country_iso: "KH"
region: "Asia & Middle East"
technologies: ["2G", "3G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/456_03"
---

# qb: MCC 456, MNC 03 (Cambodia)

**qb** (operator: Cambodia Advance Communications Co. Ltd) is a mobile network in [Cambodia](https://mcc-mnc.org/countries/cambodia.md) (Asia & Middle East), identified by MCC **456** and MNC **03**: PLMN ID 45603, also written 456-03 or 456 03. It runs 2G and 3G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 456 |
| MNC (Mobile Network Code) | 03 |
| PLMN ID (MCC+MNC) | 45603 |
| TADIG code | — |
| Brand | qb |
| Operator | Cambodia Advance Communications Co. Ltd |
| Country | Cambodia (KH) |
| Region | Asia & Middle East |
| 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) | — |
| 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 qb

Cambodia Advance Communications Co. Ltd (qb) is a mobile network operator providing telecommunications services in Cambodia, located in the Asia & Middle East region. Operating under Mobile Country Code (MCC) 456 and Mobile Network Code (MNC) 03, qb plays a role in Cambodia's dynamic mobile market, contributing to connectivity and digital access for its citizens. With a landscape including competitors like Smart Axiata and Cellcard, qb occupies a specific position within the market, offering various voice and data services.

While specific details regarding qb's market share or subscriber numbers might fluctuate, understanding its MCC/MNC designation is crucial for technical configurations related to roaming and network identification. Cambodia as a whole has seen significant growth in mobile penetration over the past decade, and qb is one of the networks that has allowed for this to occur. As Cambodia continues its development and integration into the wider Southeast Asian economy, the presence and performance of mobile networks like Cambodia Advance Communications Co. Ltd (qb) become ever more important.

## Other networks in Cambodia

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 456 | 01 | [Cellcard](https://mcc-mnc.org/networks/456_01.md) | KHMGM |
| 456 | 02 | [Smart](https://mcc-mnc.org/networks/456_02.md) | — |
| 456 | 04 | [qb](https://mcc-mnc.org/networks/456_04.md) | KHMCC |
| 456 | 05 | [Smart](https://mcc-mnc.org/networks/456_05.md) | — |
| 456 | 06 | [Smart](https://mcc-mnc.org/networks/456_06.md) | — |
| 456 | 08 | [Metfone](https://mcc-mnc.org/networks/456_08.md) | KHMVC |
| 456 | 09 | [Metfone](https://mcc-mnc.org/networks/456_09.md) | — |
| 456 | 11 | [SEATEL](https://mcc-mnc.org/networks/456_11.md) | — |
| 456 | 18 | [Cellcard](https://mcc-mnc.org/networks/456_18.md) | — |

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