| Postal Code | 61-131 |
| Postal Code Name | Poznań |
| Voivodeship | Greater Poland Voivodeship |
| County | Poznań |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 61-023 61-024 61-028 61-036 61-049 61-111 61-113 61-132 61-136 61-138 61-139 61-141 61-142 61-144 61-164 61-223 61-233 61-239 61-241 61-242 61-245 61-293 61-375 61-387 |