The country marked a day of mourning for those killed in the 7.3-magnitude quake that struck a mountainous region spanning the Iran-Iraq border late on Sunday.
More than 500 villages in the region suffered damage.
The natural disaster struck at 21:18 local time (18:18 GMT) on Sunday, about 30km (19 miles) south of Darbandikhan in Iraq, near the north-eastern border with Iran. Iraq's Red Crescent put the toll at nine dead. Armenian Prime Minister Karen Karapetyan sent a letter of condolences to First Vice-President of Iran Es'haq Jahangiri on the devastating quake that claimed hundreds of lives in the province of Kermanshah, press service of the government told Armenpress.
So far, rescue operation and assessment is being conducted on the ground and relief items including tents, ground sheets, blankets, kitchen sets, and food items such as canned food and rice are being distributed among the affected people and the people staying outdoor, scaring of getting back to their houses.
But more aid was still needed.
"The housing complex built by the state Mehr organization in Sarpol-e Zahab [city] was leveled", the reporter told CHRI.
"Today, we sent our ambulances to villages in areas affected by the quake to help people rescued yesterday, including changing their bandages", he said.
Iran's Red Crescent Society officials announced on Monday evening that the rescue operations in Kermanshah will be completed in a few hours.
The town of Sarpol-e Zahab one day after the quake hit. Thousands of people were injured and 30,000 homes damaged. But Iranian officials said the chances of finding any more survivors were extremely low.
Hundreds of ambulances and dozens of army helicopters were reported to have joined the rescue effort after supreme leader Ayatollah Ali Khamenei ordered the government and armed forces to mobilise "all their means".
The region has regular earthquakes and last night's struck along a 930-mile fault line between the Arabian and Eurasian tectonic plates, which runs through western Iran and into Iraq's northeast.
The area sees frequent seismic activity.
Thirteen years later, a catastrophic quake flattened swathes of the ancient southeastern Iranian city of Bam, killing at least 31,000. But in the more isolated and worst-hit Sunni localities, Sunni charities-including those of Islah and Dawa Group, an Iranian Islamist group close to the Muslim Brotherhood-were said to have arrived on the scene first with tents and water.