There are 12 post offices under PIN code 629001.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Catherin Booth Hospital S.O | Sub Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 2 | Krishnancoil B.O | Branch Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 3 | Nagercoil Bazaar S.O | Sub Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 4 | Nagercoil Collectorate S.O | Sub Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 5 | Nagercoil H.O | Head Office | Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 6 | Nagercoil Town S.O | Sub Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 7 | Nagercoil West S.O | Sub Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 8 | Nesamony Nagar B.O | Branch Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 9 | Oluganacheri S.O | Sub Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 10 | Putheri B.O | Branch Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 11 | Vadasery S.O | Sub Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |
| 12 | Vadiveeswaram S.O | Sub Office | Non-Delivery | Agastheeswaram | Kanyakumari | Kanniyakumari | Madurai | Tamil Nadu | Tamilnadu |