Melnallathur B.O is the primary post office registered under PIN code 602002 in Thiruvallur, Tamil Nadu. This code sits within the Southern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Melnallathur B.O | BO | Branch Post Office |
| Nungambakkam B.O | BO | Branch Post Office |
| Polivakkam B.O | BO | Branch Post Office |
| Manavalanagar S.O | SO | Sub Post Office |
| Illupur B.O | BO | Branch Post Office |
| Sengadu B.O | BO | Branch Post Office |
| Kilnallathur B.O | BO | Branch Post Office |
