Runnisaidpur is Taluka (Tehsil) in Sitamarhi district of Bihar state. Runnisaidpur has 5 areas (postal offices). Runnisaidpur has a Sub Office and the PIN Code of Runnisaidpur is 843328.
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 843351 | Akhta PIN Code | Sitamarhi | Runnisaidpur | Sub Office |
| 843311 | Athri PIN Code | Sitamarhi | Runnisaidpur | Sub Office |
| 843328 | Bhanaspatti PIN Code | Sitamarhi | Runnisaidpur | Branch Office |
| 843323 | Manikchowk PIN Code | Sitamarhi | Runnisaidpur | Sub Office |
| 843328 | Runnisaidpur PIN Code | Sitamarhi | Runnisaidpur | Sub Office |