Kilavaippar B.O is the primary post office registered under PIN code 628903 in Tuticorin, Tamil Nadu. This code sits within the Southern Postal Region, with 5 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kilavaippar B.O | BO | Branch Post Office |
| Vaippar B.O | BO | Branch Post Office |
| Kulathur (TVL) S.O | SO | Sub Post Office |
| Veppalodai B.O | BO | Branch Post Office |
| Sippikulam B.O | BO | Branch Post Office |
