| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 161. | Ranipet Industrial Estate S.O | 632403 | Sub Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | 04172-246151 | - | Ranipet H.O |
| 162. | Ratnagiri Kilminnal S.O | 632517 | Sub Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | 04172-272244 | - | Ranipet H.O |
| 163. | Reddivalam B.O | 631052 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Panapakkam S.O | Arakkonam H.O |
| 164. | Rendadi B.O | 631102 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Sholingur S.O | Arakkonam H.O |
| 165. | Rottukadai B.O | 632508 | Branch Post Office | Non-Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | - | Kaveripak S.O | Ranipet H.O |
| 166. | Sagayathottam B.O | 631151 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Takkolam S.O | Arakkonam H.O |
| 167. | Sakkaramallur S.O | 632511 | Sub Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arcot | Vellore | 04172-272244 | - | Ranipet H.O |
| 168. | Sambasivapuram B.O | 632507 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arcot | Vellore | - | Kavanur S.O | Ranipet H.O |
| 169. | Sathambakkam B.O | 632513 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | - | Walajapet S.O | Ranipet H.O |
| 170. | Sattur B.O | 632521 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arcot | Vellore | - | Vilapakkam S.O | Ranipet H.O |
| 171. | Sayanavaram B.O | 631051 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakonam | Vellore | - | Namali S.O | Arakkonam H.O |
| 172. | Seekarajapuram B.O | 632515 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Wallajah | Vellore | - | Tiruvalam S.O | Ranipet H.O |
| 173. | Sembarayanallur B.O | 632519 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | - | Vellore Sugar Mills S.O | Ranipet H.O |
| 174. | Sendamangalam B.O | 631051 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Namali S.O | Arakkonam H.O |
| 175. | Senganavaram B.O | 632518 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arcot | Vellore | - | Pennagar S.O | Ranipet H.O |
| 176. | Seri B.O | 632508 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Walajapet | Vellore | - | Kaveripak S.O | Ranipet H.O |
| 177. | Seyyoor B.O | 631004 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Ekhunagar S.O | Arakkonam H.O |
| 178. | Sholingur Bazaar S.O | 631102 | Sub Post Office | Non-Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | 04177-230520 | - | Arakkonam H.O |
| 179. | Sholingur S.O | 631102 | Sub Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | 04172-262228 | - | Arakkonam H.O |
| 180. | Sirukarumbur B.O | 632531 | Branch Post Office | Delivery | Arakkonam | Chennai Region | Tamilnadu | Arakkonam | Vellore | - | Ocheri S.O | Arakkonam H.O |
