OY Top Connect (commonly known as Top Connect) is a mobile network operator in Estonia assigned PLMN code 248-04 by the national telecommunications authority.

The MCC 248 identifies Estonia, while MNC 04 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 Estonia operators .