Zanjan's codes are 87 and 97. In public cars, Taxis and Governal cars the letter is always the same. But in simple cars this letter (ب) depends on the city.
87
edit87 is Zanjan county's code and all of the letters are for Zanjan.
 ۱۲  ۳۴۵
|
 ۸۷ |
95
edit| ۱۲ ۳۴۵
|
۹۷ |
| City | Letter |
|---|---|
| Abhar | ب |
| Khodabandeh | ج |
| Khorramdarreh | د |
| Eejrud | س |
| Tarom | ص |
| Mahneshan | ط |
