| Office Name | Ervadi B.O |
| Pincodes | 609702 |
| Area | Ervadi |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Nagapattinam |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Marungur B.O |
| Pincodes | 609702 |
| Area | Marungur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Nagapattinam |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Polagam B.O |
| Pincodes | 609702 |
| Area | Polagam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Nagapattinam |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Seeyathamangai B.O |
| Pincodes | 609702 |
| Area | Seeyathamangai |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Nagapattinam |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Seshamoolai B.O |
| Pincodes | 609702 |
| Area | Seshamoolai |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Nagapattinam |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Tirumarugal S.O |
| Pincodes | 609702 |
| Area | Tirumarugal |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Nagapattinam |
| State | Tamil Nadu |
| Telephone No. | 04366-270440 |