| Postal Code | 012391 |
| Postal Code Name | Bucharest |
| Province | Bucharest Municipality |
| Municipality | Municipiul București |
| Timezone | Eastern European Summer Time (EEST) |
| Adjacent Postal Codes | 012389 012405 012406 012407 012673 012674 012676 012685 012686 012689 012693 012694 012701 012702 012705 012706 012707 012708 012715 012716 012728 012729 012731 012732 012733 012734 012736 014655 077045 |