Telefónica Centroamérica Guatemala S.A. (commonly known as Claro) is a mobile network operator in Guatemala assigned PLMN code 704-03 by the national telecommunications authority.

The MCC 704 identifies Guatemala, while MNC 03 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 Guatemala operators .