AT&T Wireless (Antigua) (commonly known as AT&T Wireless) is a mobile network operator in Antigua and Barbuda assigned PLMN code 344-930 by the national telecommunications authority.

The MCC 344 identifies Antigua and Barbuda, while MNC 930 uniquely identifies this operator within the country. Together they form the PLMN (Public Land Mobile Network) identifier used by mobile devices for network selection, SIM card identification, and international roaming.

This assignment was last reported in ITU Operational Bulletin #1280 (Nov. 15, 2023). Search all MCC/MNC codes or view all Antigua and Barbuda operators .