---
title: "U Call: MCC 539 MNC 01"
mcc: "539"
mnc: "01"
plmn: "53901"
brand: "U Call"
operator: "Tonga Communications Corporation"
country: "Tonga"
country_iso: "TO"
region: "Oceania"
technologies: ["2G", "3G", "4G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/539_01"
---

# U Call: MCC 539, MNC 01 (Tonga)

**U Call** (operator: Tonga Communications Corporation) is a mobile network in [Tonga](https://mcc-mnc.org/countries/tonga.md) (Oceania), identified by MCC **539** and MNC **01**: PLMN ID 53901, also written 539-01 or 539 01. It runs 2G, 3G and 4G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 539 |
| MNC (Mobile Network Code) | 01 |
| PLMN ID (MCC+MNC) | 53901 |
| TADIG code | — |
| Brand | U Call |
| Operator | Tonga Communications Corporation |
| Country | Tonga (TO) |
| Region | Oceania |
| Dialling code | — |
| Technologies | 2G, 3G, 4G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | [GSM 900](https://mcc-mnc.org/coverage/gsm_900.md) | — |
| 3G | [UMTS 900](https://mcc-mnc.org/coverage/umts_900.md) | — |
| 4G | [LTE](https://mcc-mnc.org/coverage/lte.md) | 1 |

## 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 U Call

Tonga Communications Corporation (TCC), operating under the brand name "U Call," is a leading mobile network operator in the Kingdom of Tonga, located in Oceania. As Tonga's first mobile provider, TCC holds significant historical importance in the nation's telecommunications landscape, and competes with Digicel Tonga on providing mobile, internet and fixed line services. TCC's network is identified globally using the Mobile Country Code (MCC) 539, which uniquely identifies Tonga, and the Mobile Network Code (MNC) 01, specific to TCC's network within Tonga. These codes are crucial for mobile devices to correctly identify and connect to the U Call network when roaming or for general mobile network operation.

U Call plays a vital role in connecting the Tongan population, spread across numerous islands, enabling communication and access to digital services. While Digicel is the main incumbent competition, U Call has a dedicated following owing to the companies history, and connection with the population, often focusing on local community initiatives. The company provides a range of services including voice calls, SMS messaging, and mobile data, contributing to the country's economic development and social connectivity. Further details regarding coverage, specific technologies used (e.g., 4G/LTE), and service offerings are beneficial to those both local and international users seeking reliable mobile communication options within Tonga.

## APN settings

| Name | APN | Types | Protocol | Source |
|---|---|---|---|---|
| U-Call | `default` | default, ia, supl | — | AOSP |

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

## Cell towers

OpenCelliD has measured **1** cells on this network across 1 location/tracking areas, first seen 2025-12-21 and last seen 2025-12-21 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| LTE | 4G | 1 |

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 Tonga

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 539 | 43 | [Shoreline Communication](https://mcc-mnc.org/networks/539_43.md) | — |
| 539 | 88 | [Digicel](https://mcc-mnc.org/networks/539_88.md) | TONDP |

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HTML version: https://mcc-mnc.org/networks/539_01 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.