The French territory entered a lockdown earlier this month after new community cases of the coronavirus were confirmed.
Furthermore, covid cases have exploded in the neighbouring French territory of Wallis and Futuna, adding further risks.
Authorities in New Caledonia suggest the lockdown has controlled the latest surge of infections.
But they have issued an extension to ensure the end of community transmission.
By April, France is expected to have supplied 42,000 doses of Pfizer vaccine to New Caledonia.