| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 251 | Cheyyanandal | Thatchambadi BO | 📍 606902 | Polur | Branch Post Office |
| 252 | Cheyyar | Cheyyar BO | 📍 604407 | Cheyyar | Branch Post Office |
| 253 | Cheyyar | Kodanagar BO | 📍 604407 | Cheyyar | Branch Post Office |
| 254 | Cheyyar | Tiruvettipuram Cutcherry SO | 📍 604407 | Cheyyar | Post Office - PO |
| 255 | Cheyyar | Tiruvettipuram SO | 📍 604407 | Cheyyar | Post Office - PO |
| 256 | Cheyyatraivendran | Cheyyaturvendran BO | 📍 604401 | Cheyyar | Branch Post Office |
| 257 | Chi Nayarpattu | Veraiyur BO | 📍 606806 | Tiruvannamalai | Branch Post Office |
| 258 | Chinna Kalur | Kalasapakkam SO | 📍 606751 | Polur | Post Office - PO |
| 259 | Chinna Kappalur | Kappalur BO | 📍 606751 | Polur | Branch Post Office |
| 260 | Chinna Kazhikulam | Valudalangunam BO | 📍 604601 | Tiruvannamalai | Branch Post Office |
| 261 | Chinna Kuthaneri | Kuttathur B.O | 📍 635703 | Polur | Branch Post Office |
| 262 | Chinna Olaipadi | Olaipadi BO | 📍 606754 | Tiruvannamalai | Branch Post Office |
| 263 | Chinna pandi | Sirumur BO | 📍 632314 | Arani | Branch Post Office |
| 264 | Chinna punalkadu | Kilpaliyapattu BO | 📍 606704 | Chengam | Branch Post Office |
| 265 | Chinna Pushpagiri | Santhavasal SO | 📍 606905 | Polur | Post Office - PO |
| 266 | Chinna Quilam | P Quilam BO | 📍 606708 | Chengam | Branch Post Office |
| 267 | Chinna Sanikkavadi | Sanikkavadi BO | 📍 606803 | Polur | Branch Post Office |
| 268 | Chinna santhavasal | Krishnapuram BO | 📍 606905 | Polur | Branch Post Office |
| 269 | Chinna Sensadu | Sengadu BO | 📍 604505 | Cheyyar | Branch Post Office |
| 270 | Chinna thanda | Narayanakuppam BO | 📍 606708 | Chengam | Branch Post Office |
| 271 | Chinna Vinayagapuram | Tirumani SO | 📍 604504 | Cheyyar | Post Office - PO |
| 272 | Chinnaelapakkam | Perungulathur BO | 📍 604407 | Cheyyar | Branch Post Office |
| 273 | Chinnaiyampalayam | Puthur BO | 📍 632315 | Arani | Branch Post Office |
| 274 | Chinnakalanthal | Padagam BO | 📍 606904 | Polur | Branch Post Office |
| 275 | Chinnakallapadi | Chinnakallapadi BO | 📍 606811 | Tiruvannamalai | Post Office - PO |
| 276 | Chinnakalthambadi | S Sorpanandal BO | 📍 606706 | Chengam | Branch Post Office |
| 277 | Chinnakangiyanur | Pallikondapattu BO | 📍 606611 | Tiruvannamalai | Branch Post Office |
| 278 | chinnakilpattu | Melpattu (T) B.O | 📍 635703 | Chengam | Branch Post Office |
| 279 | Chinnakolapadi | Periyakolapadi BO | 📍 606704 | Chengam | Branch Post Office |
| 280 | Chinnakrishnapuram | Krishnapuram BO | 📍 606905 | Polur | Branch Post Office |
| 281 | Chinnakuttai | Palamarathur B.O | 📍 635703 | Chengam | Branch Post Office |
| 282 | Chinnaperiyavalli | Kuttakarai B.O | 📍 635703 | Polur | Branch Post Office |
| 283 | Chinnaputhur | Vazhiyur BO | 📍 632315 | Polur | Branch Post Office |
| 284 | Chinnasilambadi | Melsilambadi B.O | 📍 635703 | Chengam | Branch Post Office |
| 285 | Chinnathoppu | Perunkolathur BO | 📍 606708 | Chengam | Branch Post Office |
| 286 | Chinnathoppur | Kayambattu BO | 📍 606701 | Chengam | Branch Post Office |
| 287 | Chinniyampettai | Chinnaimpettai BO | 📍 606708 | Chengam | Branch Post Office |
| 288 | Chinnur | Attiyanur B.O | 📍 635703 | Polur | Branch Post Office |
| 289 | Chinthalur | Jamanamarathur S.O | 📍 635703 | Polur | Post Office - PO |
| 290 | Chiterikollaimedu | Athimoor Tindivanam BO | 📍 606803 | Polur | Branch Post Office |
| 291 | Chithamur | Kovilur BO | 📍 604404 | Cheyyar | Branch Post Office |
| 292 | Chitharugavoor | Chitragavur Pudur BO | 📍 604501 | Vandavasi | Branch Post Office |
| 293 | Chithathur | Chithathur BO | 📍 604410 | Cheyyar | Branch Post Office |
| 294 | Chitheri | Dusi BO | 📍 631702 | Cheyyar | Branch Post Office |
| 295 | Chitheri | Nesal BO | 📍 632316 | Arani | Branch Post Office |
| 296 | Chitherikkaraipalayam | Shro. Navalpakkam BO | 📍 604408 | Vandavasi | Branch Post Office |
| 297 | Chitira Vadi | Kannamangalam SO | 📍 632311 | Arani | Post Office - PO |
| 298 | Chittathurai | Athurai BO | 📍 606902 | Polur | Branch Post Office |
| 299 | Chitteri | Kelur BO | 📍 606907 | Polur | Branch Post Office |
| 300 | Cholavaram | Pernamallur SO | 📍 604503 | Cheyyar | Post Office - PO |