"Iran numbering plan document". ITU(International Telecommunication Union) (Document) (به انگلیسی). ۱۴-11-۲۰۱۷. Archived from the original on 1 December 2017. Retrieved 24 November 2017. {{cite web}}: Check date values in: |تاریخ= (help)
"Iran numbering plan document". ITU(International Telecommunication Union) (Document) (به انگلیسی). ۱۴-11-۲۰۱۷. Archived from the original on 1 December 2017. Retrieved 24 November 2017. {{cite web}}: Check date values in: |تاریخ= (help)