There are 7 post offices under PIN code 629165.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Gnaramvilai B.O | Branch Office | Non-Delivery | Vilavancode | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 2 | Marthandam Bridge S.O | Sub Office | Non-Delivery | Vilavancode | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 3 | Marthandam North S.O | Sub Office | Non-Delivery | Vilavancode | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 4 | Marthandam S.O | Sub Office | Delivery | Vilavancode | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 5 | Nallur-marthandam B.O | Branch Office | Non-Delivery | Vilavancode | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 6 | Nattalam B.O | Branch Office | Delivery | Vilavancode | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 7 | Viricode B.O | Branch Office | Delivery | Vilavancode | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |