PinCode: 609608, Kollapuram Post Office, Nannilam, Tiruvarur, Tamil Nadu
| Post Office | Kollapuram |
| Post Office Status | Sub Post Office (Delivery) |
| PinCode | 609608
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| Telephone | 04365-242055 |
| Town/Taluk | Nannilam |
| District | Tiruvarur |
| State | Tamil Nadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| Postal Circle | Tamilnadu |
List of Other Post Offices in Nannilam, Tiruvarur, Tamil Nadu