---
title: "GTA Wireless: MCC 310 MNC 140"
mcc: "310"
mnc: "140"
plmn: "310140"
brand: "GTA Wireless"
operator: "Teleguam Holdings, LLC"
country: "Guam"
country_iso: "GU"
region: "North America & Caribbean"
technologies: ["2G", "3G", "4G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/310_140"
---

# GTA Wireless: MCC 310, MNC 140 (Guam)

**GTA Wireless** (operator: Teleguam Holdings, LLC) is a mobile network in [Guam](https://mcc-mnc.org/countries/guam.md) (North America & Caribbean), identified by MCC **310** and MNC **140**: PLMN ID 310140, also written 310-140 or 310 140. It runs 2G, 3G and 4G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 310 |
| MNC (Mobile Network Code) | 140 |
| PLMN ID (MCC+MNC) | 310140 |
| TADIG code | — |
| Brand | GTA Wireless |
| Operator | Teleguam Holdings, LLC |
| Country | Guam (GU) |
| Region | North America & Caribbean |
| Dialling code | — |
| Technologies | 2G, 3G, 4G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | [GSM 850](https://mcc-mnc.org/coverage/gsm_850.md), [GSM 1900](https://mcc-mnc.org/coverage/gsm_1900.md) | — |
| 3G | [UMTS 850](https://mcc-mnc.org/coverage/umts_850.md) | 5 |
| 4G | [LTE 1700](https://mcc-mnc.org/coverage/lte_1700.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 GTA Wireless

GTA Wireless, formally known as Teleguam Holdings, LLC, operates as a prominent mobile network provider in Guam, a US territory nestled in the North America & Caribbean region. With a focus on delivering reliable communication services, GTA Wireless has become a key player in connecting residents and businesses across the island. Acting under the Mobile Country Code (MCC) 310, which designates the United States and its territories, and the Mobile Network Code (MNC) 140, GTA Wireless distinguishes itself within Guam's competitive telecommunications landscape. They offer both prepaid and postpaid services, striving to cater to a diverse range of customer needs and budgets.

Compared to IT&E, the other primary mobile provider on Guam, GTA Wireless offers similar services, but frequently promotes different plans and coverage options, often focusing on data speeds and international calling features important to Guam's unique position. Keep an eye on special bundles that often include TV packages, as GTA Wireless provides extensive related services, including digital cable. Knowing GTA's MCC (310) and MNC (140) is valuable for travelers and subscribers seeking to confirm network compatibility and ensure seamless connectivity while on the island.

## Cell towers

OpenCelliD has measured **5** cells on this network across 1 location/tracking areas, first seen 2015-11-21 and last seen 2025-07-02 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| UMTS | 3G | 5 |

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 Guam

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 310 | 032 | [IT&E Wireless](https://mcc-mnc.org/networks/310_032.md) | — |
| 310 | 033 | [Guam Telephone Authority](https://mcc-mnc.org/networks/310_033.md) | — |
| 310 | 400 | [iConnect](https://mcc-mnc.org/networks/310_400.md) | — |
| 310 | 480 | [iConnect](https://mcc-mnc.org/networks/310_480.md) | — |
| 311 | 120 | [iConnect](https://mcc-mnc.org/networks/311_120.md) | — |
| 311 | 250 | [iConnect](https://mcc-mnc.org/networks/311_250.md) | — |

MCC 310 is also used outside Guam: see [every network on MCC 310](https://mcc-mnc.org/mcc/310.md).

---

HTML version: https://mcc-mnc.org/networks/310_140 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.