| Name/Location | Address | Telephone |
| Trincomalee Main Post Office | Post Office Road, Trincomalee | +94 262 222 550 |
| Trincomalee (West) Post Office | Main Street, Trincomalee. | +94 222 222 574 |
| Uppuveli (Sub) Post Office | Uppuveli, Trincomalee | +94 262 222 450 |
| Chinabay (Sub) Post Office | Chinabay | +94 262 233 253 |
| Vellaimanal (Sub) Post Office | Batticaloa Road, Trincomalee. | +94 262 233 254 |
| Sangama (Sub) Post Office | Sangama, Chinabay | +94 262 242 250 |
| Kappalthurai (Sub) Post Office | Kappalthurai, Chinabay. | +94 262 242 350 |
| Sampalthivu (Sub) Post Office | Sampalthivu, Trincomalee. | +94 265 672 123 |


















