Athivakkam B.O is the primary post office registered under PIN code 601102 in Thiruvallur, Tamil Nadu. This code sits within the Southern Postal Region, with 8 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Athivakkam B.O | BO | Branch Post Office |
| Nelvoy B.O | BO | Branch Post Office |
| Thandalam B.O | BO | Branch Post Office |
| Periapalayam S.O | SO | Sub Post Office |
| Majankaranai B.O | BO | Branch Post Office |
| Mukkarambakkam B.O | BO | Branch Post Office |
| Kannigaipair B.O | BO | Branch Post Office |
| Vadamadurai B.O | BO | Branch Post Office |
