PinCode: 507002, Koyachelaka Post Office, Khammam, Khammam, Telangana
| Post Office | Koyachelaka |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 507002
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| Telephone | |
| Town/Taluk | Khammam |
| District | Khammam |
| State | Telangana |
| Postal Division | Khammam |
| Postal Region | Vijayawada |
| Postal Circle | Andhra Pradesh |
List of Other Post Offices in Khammam, Khammam, Telangana