Piro is Taluka (Tehsil) in Bhojpur district of Bihar state. Piro has 21 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 802207 | Barauli PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Basauri PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Chakia PIN Code | Bhojpur | Piro | Branch Office |
| 802204 | Derhgaon PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Dhanauti PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Dhrubdihan PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Dumaria PIN Code | Bhojpur | Piro | Branch Office |
| 802204 | Gaharuaon PIN Code | Bhojpur | Piro | Branch Office |
| 802204 | Hasan Bazar PIN Code | Bhojpur | Piro | Sub Office |
| 802204 | Jethwar Bhatt PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Kurmurhi PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Lahritiwaridih PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Nagraon PIN Code | Bhojpur | Piro | Branch Office |
| 802204 | Noaon PIN Code | Bhojpur | Piro | Branch Office |
| 802204 | Pachma PIN Code | Bhojpur | Piro | Branch Office |
| 802204 | Pachrukhia PIN Code | Bhojpur | Piro | Branch Office |
| 802204 | Sakariramnagar PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Sedahan PIN Code | Bhojpur | Piro | Branch Office |
| 802204 | Sheopur PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Sonbarsa PIN Code | Bhojpur | Piro | Branch Office |
| 802207 | Thakuri PIN Code | Bhojpur | Piro | Branch Office |