The address of Khammam Regional Transport Office in Andhra Pradesh which has registration number plate starts with AP-20. You can also contact the Khammam RTO through the Phone Number or Email ID which is listed below.
| Number | AP-20 |
| City | Khammam |
| State | Andhra Pradesh |
| Phone | +(91)-8742-228534 |
| Nil | |
| Address | Khammam,Telangana – 507001 |