Nanjai Edaiyar B.O is the primary post office registered under PIN code 638182 in Namakkal, Tamil Nadu. This code sits within the Southern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Nanjai Edaiyar B.O | BO | Branch Post Office |
| Anichampalayam B.O | BO | Branch Post Office |
| Punjai Edayar Kilmugam B.O | BO | Branch Post Office |
| Kuppuchipalayam B.O | BO | Branch Post Office |
| Unjapalayam B.O | BO | Branch Post Office |
| Sultanpet B.O | BO | Branch Post Office |
| Velur (Namakkal) S.O | SO | Sub Post Office |
