---
title: "AIS: MCC 520 MNC 03"
mcc: "520"
mnc: "03"
plmn: "52003"
tadig: "THAWN"
brand: "AIS"
operator: "Advanced Wireless Network Company Ltd."
country: "Thailand"
country_iso: "TH"
region: "Oceania"
technologies: ["3G", "4G", "5G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/520_03"
---

# AIS: MCC 520, MNC 03 (Thailand)

**AIS** (operator: Advanced Wireless Network Company Ltd.) is a mobile network in [Thailand](https://mcc-mnc.org/countries/thailand.md) (Oceania), identified by MCC **520** and MNC **03**: PLMN ID 52003, also written 520-03 or 520 03, with the TADIG roaming code **THAWN**. It runs 3G, 4G and 5G. Calling: VoLTE: Likely.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 520 |
| MNC (Mobile Network Code) | 03 |
| PLMN ID (MCC+MNC) | 52003 |
| TADIG code | THAWN |
| Brand | AIS |
| Operator | Advanced Wireless Network Company Ltd. |
| Country | Thailand (TH) |
| Region | Oceania |
| Dialling code | — |
| Technologies | 3G, 4G, 5G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | No bands on file | 8 |
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.md) | 1,961 |
| 4G | [LTE 1800](https://mcc-mnc.org/coverage/lte_1800.md), [LTE 2100](https://mcc-mnc.org/coverage/lte_2100.md), [LTE 900](https://mcc-mnc.org/coverage/lte_900.md) | 15,664 |
| 5G | [5G 2500](https://mcc-mnc.org/coverage/5g_2500.md) | 831 |

## Voice & calling services

| Service | Status | Source |
|---|---|---|
| VoLTE | Likely | Network publishes an IMS APN |
| 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 AIS

AIS (Advanced Info Service Public Company Limited), operating in Thailand under MCC 520 and MNC 03, is a leading mobile network operator, consistently ranked among the top providers in the country. Serving millions of subscribers across Thailand, AIS offers a comprehensive range of services, including 4G, 5G, and a variety of digital solutions catering to both individual consumers and businesses. The company is known for its robust network infrastructure, extensive national coverage and innovative technology deployments and it plays a significant role in Thailand's digital landscape.

AIS faces competition from other major mobile network operators in Thailand, such as TrueMove H and dtac. Regularly investing in network upgrades and expansion to enhance connectivity and capacity, AIS consistently tries to provide a superior mobile experience for its users. Beyond connectivity, AIS also diversifies its offerings to include digital content, financial services, and IoT solutions further solidifying its position as a key player in the increasingly dynamic Oceania telecommunications market, particularly within Thailand. As Thailand embraces new technologies, AIS remains at the forefront, driving innovation and shaping the future of mobile communications in the region.

## APN settings

| Name | APN | Types | Protocol | MMSC | MMS proxy | MMS port | Source |
|---|---|---|---|---|---|---|---|
| AIS Internet | `internet` | default, ia, supl | IPV4V6 | — | — | — | AOSP |
| AIS Internet | `internet` | default, supl | — | — | — | — | LineageOS |
| AIS MMS | `multimedia` | mms | — | `http://mms.mobilelife.co.th` | 203.170.229.34 | 8080 | AOSP |
| AIS MMS | `mms` | mms | — | `http://mms.ais.co.th` | 203.170.229.34 | 8080 | LineageOS |
| AIS IMS | `ims` | ims | IPV4V6 | — | — | — | AOSP |
| AIS UT | `xcap` | xcap | IPV6 | — | — | — | AOSP |

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

## Android carrier config highlights

| Setting | Value | Key |
|---|---|---|
| Treated as roaming | 520 | `roaming_operator_string_array` |

## Cell towers

OpenCelliD has measured **18,464** cells on this network across 514 location/tracking areas, first seen 2015-01-29 and last seen 2026-09-17 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| GSM | 2G | 8 |
| UMTS | 3G | 1,961 |
| LTE | 4G | 15,664 |
| NR | 5G | 831 |

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 Thailand

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 520 | 00 | [TrueMove H / my by CAT](https://mcc-mnc.org/networks/520_00.md) | THACT |
| 520 | 01 | [AIS](https://mcc-mnc.org/networks/520_01.md) | — |
| 520 | 02 | [CAT CDMA](https://mcc-mnc.org/networks/520_02.md) | — |
| 520 | 04 | [TrueMove H](https://mcc-mnc.org/networks/520_04.md) | THACA |
| 520 | 05 | [dtac TriNet / LINE](https://mcc-mnc.org/networks/520_05.md) | THADT |
| 520 | 09 | [Royal Thai Police](https://mcc-mnc.org/networks/520_09.md) | — |
| 520 | 15 | [AIS-T / TOT Mobile](https://mcc-mnc.org/networks/520_15.md) | — |
| 520 | 18 | [dtac](https://mcc-mnc.org/networks/520_18.md) | THAWP |
| 520 | 20 | [ACeS](https://mcc-mnc.org/networks/520_20.md) | — |
| 520 | 23 | [AIS GSM 1800](https://mcc-mnc.org/networks/520_23.md) | — |
| 520 | 25 | [WE PCT](https://mcc-mnc.org/networks/520_25.md) | — |
| 520 | 47 | [dtac-T / LINE / TOT Mobile](https://mcc-mnc.org/networks/520_47.md) | — |
| 520 | 99 | [TrueMove](https://mcc-mnc.org/networks/520_99.md) | THACO |

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HTML version: https://mcc-mnc.org/networks/520_03 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.