---
title: "qb: MCC 456 MNC 04"
mcc: "456"
mnc: "04"
plmn: "45604"
tadig: "KHMCC"
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_04"
---

# qb: MCC 456, MNC 04 (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 **04**: PLMN ID 45604, also written 456-04 or 456 04, with the TADIG roaming code **KHMCC**. It runs 2G and 3G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 456 |
| MNC (Mobile Network Code) | 04 |
| PLMN ID (MCC+MNC) | 45604 |
| TADIG code | KHMCC |
| 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) emerges as a key player in Cambodia's dynamic mobile landscape, operating under the Mobile Country Code (MCC) 456, which identifies Cambodia, and the Mobile Network Code (MNC) 04. Serving millions across the nation, qb contributes significantly to the connectivity infrastructure alongside other major providers such as Smart Axiata and Cellcard. As Cambodia modernizes, qb's role in expanding network coverage and offering diverse services is increasingly vital for both personal and business communications. The network provides vital connectivity for customers.

qb, like other Cambodian mobile operators, leverages various technologies to deliver voice, data, and SMS services. Coverage spans urban centers like Phnom Penh, Siem Reap and Sihanoukville, and extends into rural areas, helping bridge the digital divide. As technology evolves in the Asia & Middle East region, qb continues to seek opportunities to enhance data speeds and reliability to remain competitive and provide subscribers with optimal experience in a rapidly changing market.

## APN settings

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| qb | `default` | default, ia, supl | — | — | — | — | AOSP |
| qbmore | `WAP` | default, supl | — | — | — | — | LineageOS |
| qbmore MMS | `mms` | mms | — | `http://mms.qbmore.mobi` | 172.16.96.66 | 8080 | LineageOS |

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

## 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 | 03 | [qb](https://mcc-mnc.org/networks/456_03.md) | — |
| 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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