There are 5 post offices under PIN code 629175.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Mettukadai S.O | Sub Office | Non-Delivery | Kalkulam | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 2 | Mulachel B.O | Branch Office | Non-Delivery | Kalkulam | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 3 | Padmanabhapuram Fort S.O | Sub Office | Non-Delivery | Kalkulam | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 4 | Puliyurkurichi B.O | Branch Office | Non-Delivery | Kalkulam | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 5 | Thuckalay H.O | Head Office | Delivery | Kalkulam | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |