Worldwide·Worldwide

Cellular Sea

OperatorAT&T Mobility

Live2G3G4 bands
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LocationWorldwideXX

PLMN ID · 90118

901
mcc
Worldwide
18
mnc
Cellular Sea

MCC

Mobile Country Code

MNC

Mobile Network Code

PLMN

MCC + MNC

TADIG

GSMA roaming code

Technology

2G · 3G on this network

3G

1 band

4G

Not on record

5G

Not on record

Record

Updated 2025-04-09

Brand
Cellular Sea
Operator
AT&T Mobility
Region
Worldwide
Dialling code
Mobile Country Code
Mobile Network Code
PLMN ID
TADIG code
Technologies
2G · 3G4 bands on file
Status
Live

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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.

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