PinCode: 572106, Northren Extension Post Office, Tumkur, Tumkur, Karnataka
| Post Office | Northren Extension |
| Post Office Status | Sub Post Office (Delivery) |
| PinCode | 572106
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| Telephone | 0816-2212360 |
| Town/Taluk | Tumkur |
| District | Tumkur |
| State | Karnataka |
| Postal Division | Tumkur |
| Postal Region | South Karnataka |
| Postal Circle | Karnataka |
List of Other Post Offices in Tumkur, Tumkur, Karnataka