Kovvur (Nidadavolu) STD Code
| City | Kovvur (Nidadavolu) |
| STD Code | 08813 |
| District | Eluru |
| State | Andhra Pradesh |
STD Code of Kovvur (Nidadavolu) is 08813. This city is located in Eluru district of Andhra Pradesh state in India. To call landline phones of Kovvur (Nidadavolu), you must add 08813 before the number.