Khaira is Taluka (Tehsil) in Jamui district of Bihar state. Khaira has 15 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 811305 | Banpur PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Baribag PIN Code | Jamui | Khaira | Branch Office |
| 811305 | Chuwan PIN Code | Jamui | Khaira | Branch Office |
| 811314 | Dhundo PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Gadibishanpur PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Garhi PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Gopalpur PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Jit Jhingoibo PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Khaira Jamui PIN Code | Jamui | Khaira | Sub Office |
| 811317 | Kharaich PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Khelari PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Mundbaro PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Nariyana PIN Code | Jamui | Khaira | Branch Office |
| 811317 | Pradhanchak PIN Code | Jamui | Khaira | Branch Office |
| 811305 | Tihiya PIN Code | Jamui | Khaira | Branch Office |