There are 7 post offices under PIN code 631002.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ammanur B.O | Branch Office | Delivery | Arakkonam | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Kilandurai B.O | Branch Office | Delivery | Arakkonam | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Nagavedu B.O | Branch Office | Delivery | Arakkonam | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Palanipet S.O | Sub Office | Delivery | Arakonam | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Parithiputhur B.O | Branch Office | Delivery | Arakkonam | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Perumuchi B.O | Branch Office | Delivery | Arakkonam | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 7 | Sirunamalli B.O | Branch Office | Delivery | Arakkonam | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |