You should apply for a visa reference code through an official agency or operator. This refrence code is like an invitation letter which indicates you will be in Iran through a particular agency. The duration of the visa process does not depend on the company but how fast MFA responds to request. After all, every agent is required to send the application to the same department. Agencies may charge you a bit different prices based on their personal preferences and reputation. The charges for getting a reference code ranges from 35 – 50 $. As tour operators and official representative of MFA, we offer you the same visa service for the lowest price. Please have a look at our services, read testimonials about us and make your choice. As soon as your visa request arrives at ITS, we deal with it in no time and your code will be ready within 2-3 weeks.