Post Office & Sub Post Offices of Mammunai Pattu Divisional Secretariat
| S.No | Name | Address | Telephone |
| MAIN POST OFFICE | |||
| 1 | Post Office, Manmunai Pattu | Arayampathy | 065-2245628 |
| SUB POST OFFICES | |||
| 2 | Post Office, Kirankulam | Kirankulam | - |
| 3 | Post Office, Puthukudiyiruppu | Puthukudiyiruppu | - |
| 4 | Post Office, Vedarkudiyiruppu | Vedarkudiyiruppu | - |
| 5 | Post Office, Kankeyanodai | Kankeyanodai | - |
| 6 | Post Office, Selvanagar East | Selvanagar East | - |
| 7 | Post Office, Arayampathy South | Arayampathy South | - |
