16 PIN codes
| PIN code | Post offices | Taluk / tehsil |
|---|---|---|
| 621103 | Thaluthalai B.O | – |
| 621106 | Kolathur B.O | – |
| 621107 | Tirupayar B.O | – |
| 621108 | Athiyur B.O, Pennakonam B.O, Thirumanthurai B.O | – |
| 621109 | Naranamangalam B.O | – |
| 621110 | Periyammapalayam B.O | – |
| 621113 | Varagupadi B.O | – |
| 621114 | Tenur B.O | – |
| 621115 | Ayikudi B.O, Brammadesam B.O | – |
| 621116 | Krishnapuram B.O, Thondapadi B.O | – |
| 621117 | Karianur B.O, Nerkunam B.O, Pillankulam B.O and 1 more | – |
| 621219 | Vadakkumadevi B.O | – |
| 621220 | Kavulpalayam B.O | – |
| 621708 | Ilandaikuli B.O, Maruvathur Ariyalur B.O | – |
| 621713 | Allinagaram Bo | – |
| 621717 | Andikurumbalur B.O, Kilumathur B.O, Olaipadi B.O and 2 more | – |