| Postal Code | 510077 |
| Postal Code Name | Cetate |
| Province | Alba County |
| Municipality | Alba Iulia |
| Timezone | Eastern European Time (EET) |
| Adjacent Postal Codes | 510016 510017 510021 510022 510026 510037 510049 510053 510056 510057 510061 510062 510063 510064 510065 510070 510073 510079 510080 510081 510082 510084 510128 510129 510137 510198 510199 510201 510229 510234 |