---
title: "Cellular Sea: MCC 901 MNC 18"
mcc: "901"
mnc: "18"
plmn: "90118"
tadig: "BMU01"
brand: "Cellular Sea"
operator: "AT&T Mobility"
country: "Worldwide"
country_iso: "XX"
region: "Worldwide"
technologies: ["2G", "3G", "4G", "5G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/901_18"
---

# Cellular Sea: MCC 901, MNC 18 (Worldwide)

**Cellular Sea** (operator: AT&T Mobility) is a mobile network in [Worldwide](https://mcc-mnc.org/countries/worldwide.md) (Worldwide), identified by MCC **901** and MNC **18**: PLMN ID 90118, also written 901-18 or 901 18, with the TADIG roaming code **BMU01**. It runs 2G, 3G, 4G and 5G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 901 |
| MNC (Mobile Network Code) | 18 |
| PLMN ID (MCC+MNC) | 90118 |
| TADIG code | BMU01 |
| Brand | Cellular Sea |
| Operator | AT&T Mobility |
| Country | Worldwide (XX) |
| Region | Worldwide |
| Dialling code | — |
| Technologies | 2G, 3G, 4G, 5G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | [GSM 1800](https://mcc-mnc.org/coverage/gsm_1800.md), [GSM 900](https://mcc-mnc.org/coverage/gsm_900.md), [GSM 850](https://mcc-mnc.org/coverage/gsm_850.md), [GSM 1900](https://mcc-mnc.org/coverage/gsm_1900.md), [CDMA 1900](https://mcc-mnc.org/coverage/cdma_1900.md), [CDMA 800](https://mcc-mnc.org/coverage/cdma_800.md) | — |
| 3G | [UMTS 2100](https://mcc-mnc.org/coverage/umts_2100.md), [UMTS 850](https://mcc-mnc.org/coverage/umts_850.md), [UMTS 1900](https://mcc-mnc.org/coverage/umts_1900.md), [UMTS 900](https://mcc-mnc.org/coverage/umts_900.md), [UMTS 1700](https://mcc-mnc.org/coverage/umts_1700.md), [UMTS 1800](https://mcc-mnc.org/coverage/umts_1800.md) | — |
| 4G | [LTE 800](https://mcc-mnc.org/coverage/lte_800.md), [LTE 1800](https://mcc-mnc.org/coverage/lte_1800.md), [LTE 700](https://mcc-mnc.org/coverage/lte_700.md), [LTE 2600](https://mcc-mnc.org/coverage/lte_2600.md), [LTE 850](https://mcc-mnc.org/coverage/lte_850.md), [LTE 1900](https://mcc-mnc.org/coverage/lte_1900.md) | — |
| 5G | [5G 2300](https://mcc-mnc.org/coverage/5g_2300.md), [5G 3500](https://mcc-mnc.org/coverage/5g_3500.md), [5G 2100](https://mcc-mnc.org/coverage/5g_2100.md), [5G 2600](https://mcc-mnc.org/coverage/5g_2600.md) | — |
| Other | [Satellite](https://mcc-mnc.org/coverage/satellite.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 Cellular Sea

AT&T Mobility Cellular Sea, operating worldwide, represents a specialized segment of AT&T's vast telecommunications network. While AT&T is more commonly associated with its operations within the United States, this particular entity focuses primarily on providing cellular services to maritime environments, extending connectivity to ships and other offshore platforms. Identified by the Mobile Country Code (MCC) 901, signifying its international reach and application, and the Mobile Network Code (MNC) 18, it fills a unique niche within the global connectivity landscape. This enables crew, passengers, and operational systems to stay connected even far from terrestrial base stations, and ensures coverage options where traditional networks may falter.

Unlike AT&T's primary operations in the United States, where it competes fiercely with Verizon and T-Mobile for market share, AT&T Mobility Cellular Sea operates in a specialized and comparatively less competitive environment. While consumer mobile services are widespread, Maritime connectivity represents a specialist area with far fewer providers, and as one of the United States' biggest telecommunication network, it makes perfect sense to leverage the vastness of the infrastructure of a major player in the market. Being a subsidiary of AT&T (American Telephone and Telegraph Company), they utilize sophisticated satellite and cellular technology, and it's crucial to the maritime economy, supporting both leisure and commercial shipping operations.

## Other networks in Worldwide

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 901 | 03 | [Iridium](https://mcc-mnc.org/networks/901_03.md) | — |
| 901 | 05 | [Thuraya RMSS Network](https://mcc-mnc.org/networks/901_05.md) | ARETH |
| 901 | 06 | [Thuraya Satellite Telecommunications Company](https://mcc-mnc.org/networks/901_06.md) | — |
| 901 | 10 | [ACeS](https://mcc-mnc.org/networks/901_10.md) | — |
| 901 | 11 | [Inmarsat](https://mcc-mnc.org/networks/901_11.md) | — |
| 901 | 12 | [Telenor](https://mcc-mnc.org/networks/901_12.md) | NORMC |
| 901 | 13 | [GSM AQ](https://mcc-mnc.org/networks/901_13.md) | — |
| 901 | 14 | [AeroMobile](https://mcc-mnc.org/networks/901_14.md) | NORAM |
| 901 | 15 | [OnAir](https://mcc-mnc.org/networks/901_15.md) | — |
| 901 | 16 | [Cisco Jasper](https://mcc-mnc.org/networks/901_16.md) | — |
| 901 | 17 | [Navitas](https://mcc-mnc.org/networks/901_17.md) | — |
| 901 | 19 | [Vodafone Malta Maritime](https://mcc-mnc.org/networks/901_19.md) | MLTMA |
| 901 | 20 | [Intermatica](https://mcc-mnc.org/networks/901_20.md) | — |
| 901 | 21 | [Wins Limited](https://mcc-mnc.org/networks/901_21.md) | — |
| 901 | 22 | [MediaLincc Ltd](https://mcc-mnc.org/networks/901_22.md) | — |
| 901 | 24 | [iNum](https://mcc-mnc.org/networks/901_24.md) | — |
| 901 | 26 | [TIM sea](https://mcc-mnc.org/networks/901_26.md) | ITAGT |
| 901 | 27 | [OnMarine](https://mcc-mnc.org/networks/901_27.md) | AAMOM |
| 901 | 28 | [Vodafone](https://mcc-mnc.org/networks/901_28.md) | — |
| 901 | 29 | [Telenor](https://mcc-mnc.org/networks/901_29.md) | — |
| 901 | 31 | [Orange](https://mcc-mnc.org/networks/901_31.md) | — |
| 901 | 32 | [Sky High](https://mcc-mnc.org/networks/901_32.md) | — |
| 901 | 33 | [Smart Communications](https://mcc-mnc.org/networks/901_33.md) | — |
| 901 | 34 | [tyntec GmbH](https://mcc-mnc.org/networks/901_34.md) | — |
| 901 | 35 | [Globecomm Network Services](https://mcc-mnc.org/networks/901_35.md) | — |
| 901 | 36 | [Azerfon](https://mcc-mnc.org/networks/901_36.md) | — |
| 901 | 37 | [Transatel](https://mcc-mnc.org/networks/901_37.md) | — |
| 901 | 38 | [Multiregional TransitTelecom (MTT)](https://mcc-mnc.org/networks/901_38.md) | — |
| 901 | 39 | [MTX Connect Ltd](https://mcc-mnc.org/networks/901_39.md) | — |
| 901 | 40 | [1nce GmbH](https://mcc-mnc.org/networks/901_40.md) | — |
| 901 | 41 | [BodyTrace Netherlands B.V.](https://mcc-mnc.org/networks/901_41.md) | — |
| 901 | 42 | [DCN Hub ehf](https://mcc-mnc.org/networks/901_42.md) | — |
| 901 | 43 | [EMnify GmbH](https://mcc-mnc.org/networks/901_43.md) | — |
| 901 | 44 | [AT&T Inc.](https://mcc-mnc.org/networks/901_44.md) | — |
| 901 | 45 | [Advanced Wireless Network Company Limited](https://mcc-mnc.org/networks/901_45.md) | — |
| 901 | 46 | [Telecom26 AG](https://mcc-mnc.org/networks/901_46.md) | — |
| 901 | 47 | [Ooredoo](https://mcc-mnc.org/networks/901_47.md) | — |
| 901 | 48 | [Com4](https://mcc-mnc.org/networks/901_48.md) | — |
| 901 | 49 | [Zain Kuwait](https://mcc-mnc.org/networks/901_49.md) | — |
| 901 | 50 | [EchoStar Mobile](https://mcc-mnc.org/networks/901_50.md) | — |
| 901 | 51 | [VisionNG](https://mcc-mnc.org/networks/901_51.md) | — |
| 901 | 52 | [Manx Telecom Trading Ltd.](https://mcc-mnc.org/networks/901_52.md) | — |
| 901 | 53 | [Deutsche Telekom AG](https://mcc-mnc.org/networks/901_53.md) | — |
| 901 | 54 | [Teleena Holding B.V.](https://mcc-mnc.org/networks/901_54.md) | — |
| 901 | 55 | [Beezz Communication Solutions Ltd.](https://mcc-mnc.org/networks/901_55.md) | — |
| 901 | 56 | [ETSI](https://mcc-mnc.org/networks/901_56.md) | — |
| 901 | 57 | [SAP](https://mcc-mnc.org/networks/901_57.md) | — |
| 901 | 58 | [BICS](https://mcc-mnc.org/networks/901_58.md) | — |
| 901 | 59 | [MessageBird B.V.](https://mcc-mnc.org/networks/901_59.md) | — |
| 901 | 60 | [OneWeb](https://mcc-mnc.org/networks/901_60.md) | — |
| 901 | 61 | [MTN Management Services](https://mcc-mnc.org/networks/901_61.md) | — |
| 901 | 62 | [Twilio Inc.](https://mcc-mnc.org/networks/901_62.md) | — |
| 901 | 63 | [GloTel B.V.](https://mcc-mnc.org/networks/901_63.md) | — |
| 901 | 64 | [Syniverse Technologies, LLC](https://mcc-mnc.org/networks/901_64.md) | — |
| 901 | 65 | [Plintron Global Technology Solutions Pty Ltd](https://mcc-mnc.org/networks/901_65.md) | — |
| 901 | 66 | [Limitless Mobile LLC](https://mcc-mnc.org/networks/901_66.md) | — |
| 901 | 67 | [1NCE GmbH](https://mcc-mnc.org/networks/901_67.md) | — |
| 901 | 68 | [Maersk Line A/S](https://mcc-mnc.org/networks/901_68.md) | — |
| 901 | 69 | [Legos](https://mcc-mnc.org/networks/901_69.md) | — |
| 901 | 88 | [UN Office for the Coordination of Humanitarian Affairs (OCHA)](https://mcc-mnc.org/networks/901_88.md) | — |
| 902 | 01 | [MulteFire Allicance](https://mcc-mnc.org/networks/902_01.md) | — |
| 991 | 01 | [World's Global Telecom](https://mcc-mnc.org/networks/991_01.md) | — |

## Recent changes

- 2026-09-07: Network types changed to 5G, CDMA, GSM, LTE, Satellite, and UMTS.

---

HTML version: https://mcc-mnc.org/networks/901_18 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.