In Namakkal district, Tamil Nadu, PIN code 637406 is anchored by Pachudayampalayam B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 9 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Pachudayampalayam B.O | BO | Branch Post Office |
| Ariyagoundampatti B.O | BO | Branch Post Office |
| Moolapallipatti B.O | BO | Branch Post Office |
| T.Jedarpalayam B.O | BO | Branch Post Office |
| Thoppapatti B.O | BO | Branch Post Office |
| Vellakkalpatti B.O | BO | Branch Post Office |
| Oduvankurichi B.O | BO | Branch Post Office |
| Sirapalli B.O | BO | Branch Post Office |
| Namagiripettai S.O | SO | Sub Post Office |
