Iran has a very good telecommunication penetration in the west Asia. In 2017, more than 60 million people of 80 million population uses smart phones. There are two major companies in Iran who provide Mobile communication:
1 – IR-TCI:
This is the first mobile company in Iran and covers almost all of Iran, but mobile signal maybe weak in Mountains and some deserts of Iran. Has both permanent and prepaid sim cards and You can top up your balance for prepaid sim card through Internet by using major Iranian Debit cards or simply buy a Top up card from any grocery, newsstand or Mobile service provider shops which are available all around Iran. sim cards have SMS, MMS, GPRS4. This service provider is providing roaming services to many countries.
2 – MTN-IRANCELL:
This operator normally referred to just as Irancell, was the 2nd one to start its service in Iran and its coverage area also IR-TCI. Top up is possible both by online purchase (with a local debit card) and top up prepaid cards available in every grocery or news stand. Sim cards have SMS, MMS, GPRS4. This service provider is providing roaming services to many countries.
Should you choose to purchase a local sim card please check with your local provide prior to departure to make sure your phone is unlocked and will accept another sim card.
Internet access is widespread and available in the larger towns and cities of Iran. Many hotels and cafes now offer free access to their Wi-Fi zones. Depending on the system, speeds can be slow or very fast. You may find a number of random sites have been blocked by the government. For instance, Facebook, Twitter, YouTube and Telegram are blocked, but WhatsApp and Instagram are accessible.