Chillakur is Taluka (Tehsil) in Nellore district of Andhra Pradesh state. Chillakur has 10 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 524412 | Ballavolu PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Chintavaram PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Momidi PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Palicherlavaripalem PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Tamminapatnam PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Tikkavaram PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Tippaguntapalem PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Udathavaripalem PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Varagali PIN Code | Nellore | Chillakur | Branch Office |
| 524412 | Yerur PIN Code | Nellore | Chillakur | Branch Office |