There are 9 post offices under PIN code 632503.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Arcot Bazaar S.O | Sub Office | Non-Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 2 | Arcot S.O | Sub Office | Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 3 | Arcot West S.O | Sub Office | Non-Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 4 | Jawaharpuram B.O | Branch Office | Non-Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 5 | Ladavaram B.O | Branch Office | Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 6 | Muppathuvetti B.O | Branch Office | Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 7 | Palayamangadu B.O | Branch Office | Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 8 | Pudupadi B.O | Branch Office | Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |
| 9 | Thoppukhana S.O | Sub Office | Non-Delivery | Arcot | Vellore | Arakkonam | Chennai Region | Tamil Nadu | Tamilnadu |