Saint Helena, Ascension and Tristan da Cunha MCC/MNC Codes
Mobile Country Code (MCC): 658 · ISO: SH · 2 active operators
This page lists all active mobile network operators in Saint Helena, Ascension and Tristan da Cunha and their assigned MCC/MNC codes, sourced from official ITU Operational Bulletins. Each operator is identified by its PLMN code — the combination of MCC 658 and its unique MNC.
Active Mobile Network Operators
| Operator | Brand | MCC | MNC | PLMN | Last Updated |
|---|---|---|---|---|---|
| Sure South Atlantic Ltd. (Ascension) | Sure | 658 | 01 | 658-01 | Nov. 15, 2023 |
| Sure South Atlantic Ltd. (Ascension) | Sure | 658 | 01 | 658-01 | Nov. 15, 2023 |
About MCC 658 — Saint Helena, Ascension and Tristan da Cunha
MCC 658 is the Mobile Country Code assigned to Saint Helena, Ascension and Tristan da Cunha by the International Telecommunication Union (ITU). All mobile operators in Saint Helena, Ascension and Tristan da Cunha use this MCC combined with their unique MNC to form their PLMN identifier.
PLMN codes are used by mobile devices to identify and select networks, and by roaming agreements to route calls and data between operators globally. The 2 operators listed here represent all active MNC assignments reported by Saint Helena, Ascension and Tristan da Cunha's telecommunications authority to the ITU.
Data is updated within hours of each ITU Operational Bulletin release. Search the full global database or explore our interactive map.