Mails Received and Dispatched within Cities (1000) (thousand)
| 2011 |
| East Azerbaijan | 15,919 |
| West Azerbaijan | 19,473 |
| Ardabil | 4,712 |
| Isfahan | 21,093 |
| Ilam | 3,524 |
| Bushehr | 5,845 |
| Tehran | 1,96,821 |
| Chaharmahal and Bakhtiari Province | 4,375 |
| South Khorasan | 5,040 |
| Razavi Khorasan | 43,815 |
| North Khorasan | 5,511 |
| Khuzestan | 28,999 |
| Zanjan | 7,464 |
| Semnan | 8,783 |
| Sistan and Baluchestan | 11,825 |
| Fars | 52,432 |
| Qazvin | 13,572 |
| Qom | 8,446 |
| Kurdistan | 5,921 |
| Kerman | 12,684 |
| Kermanshah | 8,645 |
| Kohgiluyeh and Boyer-Ahmad | 4,819 |
| Golestan | 7,631 |
| Gilan | 16,933 |
| Lorestan | 12,505 |
| Mazandaran | 51,301 |
| Markazi | 11,243 |
| Hormozgan | 7,746 |
| Hamadan | 20,972 |
| Yazd | 12,870 |