In a press briefing on Thursday, Sima-Sadat Lari said the new cases raise the total number of cases to 596,941.
She said the virus has also killed 399 patients since Wednesday noon, raising the overall death toll to 34,113.
So far, she added, 472,598 patients have recovered from the disease or been discharged from the hospital.
Lari said 5,055 patients are also in critical conditions caused by more severe infection.
The spokeswoman noted that 4,857,392 COVID-19 tests have been taken across the country so far.
She said the high-risk “red” zones include Tehran, Qom, Mazandaran, East Azarbaijan, Isfahan, Yazd, Ardabil, Khorasan Razavi, Khuzestan, Hamadan, West Azarbaijan, Bushehr, Chaharmahal and Bakhtiari, Kohgiluyeh and Boyer-Ahmad, Alborz, Lorestan, Markazi, Ilam, South Khorasan, Kermanshah, North Khorasan, Semnan, Gilan, Zanjan, Qazvin, Kurdistan, and Kerman provinces.
The “orange” and “yellow” zones also include Golestan, Hormozgan, Fars, and Sistan and Baluchestan provinces, she added.