| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 251 | Melthonnakkal | Thonnakkal SO | 📍 695317 | Thiruvananthapuram | Post Office - PO |
| 252 | Muttathara | Manacaud SO | 📍 695009 | Thiruvananthapuram | Post Office - PO |
| 253 | Muttathara | Poonthura SO | 📍 695026 | Thiruvananthapuram | Post Office - PO |
| 254 | Nagaroor | Nagaroor BO | 📍 695601 | Chirayinkeezhu | Branch Post Office |
| 255 | Navaikulam | Parippally SO | 📍 691574 | Chirayinkeezhu | Post Office - PO |
| 256 | Navaikulam | Maruthikunnu BO | 📍 695603 | Chirayinkeezhu | Branch Post Office |
| 257 | Navaikulam | Navaikulam SO | 📍 695603 | Chirayinkeezhu | Post Office - PO |
| 258 | Navaikulam | Parakunnu BO | 📍 695603 | Chirayinkeezhu | Branch Post Office |
| 259 | Navaikulam | Vettiyara BO | 📍 695603 | Chirayinkeezhu | Branch Post Office |
| 260 | Navaikulam | Puthusserimukku BO | 📍 695605 | Chirayinkeezhu | Branch Post Office |
| 261 | NDC TRIVANDRUM FORT | NDC TRIVANDRUM FORT | 📍 695051 | Thiruvananthapuram | Sub Post Office |
| 262 | Nedumangad | Karipur BO | 📍 695541 | Nedumangad | Branch Post Office |
| 263 | Nedumangad | Mancha BO | 📍 695541 | Nedumangad | Branch Post Office |
| 264 | Nedumangad | Nedumangad SO | 📍 695541 | Nedumangad | Post Office - PO |
| 265 | Nedumangad | Valiamala SO | 📍 695547 | Nedumangad | Post Office - PO |
| 266 | Nedumangad | Irinchayam BO | 📍 695561 | Nedumangad | Branch Post Office |
| 267 | Nedumangad | Pazhakutty SO | 📍 695561 | Nedumangad | Post Office - PO |
| 268 | Nedumangad | Poovathur BO | 📍 695561 | Nedumangad | Branch Post Office |
| 269 | Nellanad | Nellanad BO | 📍 695606 | Nedumangad | Branch Post Office |
| 270 | Nellanad | Aliyadu BO | 📍 695607 | Nedumangad | Branch Post Office |
| 271 | Nellanad | Venjaramoodu SO | 📍 695607 | Nedumangad | Post Office - PO |
| 272 | Nemom | Pappanamcode SO | 📍 695018 | Neyyattinkara | Post Office - PO |
| 273 | Neyyattinkara | Neyyattinkara HO | 📍 695121 | Neyyattinkara | Head Post Office - H |
| 274 | Neyyattinkara | Neyyattinkara Town SO | 📍 695121 | Neyyattinkara | Post Office - PO |
| 275 | Neyyattinkara | Amaravila SO | 📍 695122 | Neyyattinkara | Post Office - PO |
| 276 | Neyyattinkara | Chaikkottukonam BO | 📍 695122 | Neyyattinkara | Branch Post Office |
| 277 | Neyyattinkara | Aralumoodu SO | 📍 695123 | Neyyattinkara | Post Office - PO |
| 278 | Neyyattinkara | Venpakal BO | 📍 695123 | Neyyattinkara | Branch Post Office |
| 279 | Neyyattinkara | Perumpazhuthoor SO | 📍 695126 | Neyyattinkara | Post Office - PO |
| 280 | Neyyattinkara | Olathanni BO | 📍 695133 | Neyyattinkara | Branch Post Office |
| 281 | Neyyattinkara | Balaramapuram SO | 📍 695501 | Neyyattinkara | Post Office - PO |
| 282 | Neyyattinkara | Kattachalkuzhy BO | 📍 695501 | Neyyattinkara | Branch Post Office |
| 283 | Neyyattinkara | Kottukal BO | 📍 695501 | Neyyattinkara | Branch Post Office |
| 284 | Neyyattinkara | Russelpuram BO | 📍 695501 | Neyyattinkara | Branch Post Office |
| 285 | Neyyattinkara | Veliyamcode BO | 📍 695512 | Neyyattinkara | Branch Post Office |
| 286 | Ottasekharamangalam | Keezharur BO | 📍 695124 | Neyyattinkara | Branch Post Office |
| 287 | Ottasekharamangalam | Dalmughom BO | 📍 695125 | Neyyattinkara | Branch Post Office |
| 288 | Ottasekharamangalam | Ottasekharamangalam SO | 📍 695125 | Neyyattinkara | Post Office - PO |
| 289 | Ottasekharamangalam | Poozhanad BO | 📍 695125 | Neyyattinkara | Branch Post Office |
| 290 | Ottasekharamangalam | Kudappanamoodu BO | 📍 695505 | Neyyattinkara | Branch Post Office |
| 291 | Ottasekharamangalam | Kuttamala BO | 📍 695505 | Neyyattinkara | Branch Post Office |
| 292 | Ottasekharamangalam | Vellarada SO | 📍 695505 | Neyyattinkara | Post Office - PO |
| 293 | Ottoor | Vadasserikonam SO | 📍 695143 | Chirayinkeezhu | Post Office - PO |
| 294 | Ottoor | Moongode SO | 📍 695144 | Chirayinkeezhu | Post Office - PO |
| 295 | Ottoor | Kallambalam SO | 📍 695605 | Chirayinkeezhu | Post Office - PO |
| 296 | Pallichal | Industrial Estate SO Thiruvananthapuram | 📍 695019 | Neyyattinkara | Post Office - PO |
| 297 | Pallichal | Nemom SO | 📍 695020 | Neyyattinkara | Post Office - PO |
| 298 | Pallichal | Pravachambalam BO | 📍 695020 | Neyyattinkara | Branch Post Office |
| 299 | Pallichal | Kalliyoor SO | 📍 695042 | Neyyattinkara | Post Office - PO |
| 300 | Pallichal | Balaramapuram SO | 📍 695501 | Neyyattinkara | Post Office - PO |