PIN Code
841231 – Andar S.O
9 post offices share PIN Code 841231 in Siwan, Bihar.
| Post office | Type | Delivery | Division / Region / Circle |
|---|---|---|---|
| Andar S.O Taluk: Andar | Sub Office | Delivery | Siwan / Muzaffarpur / Bihar |
| Bhwrajpur B.O Taluk: Siwan | Branch Office | Delivery | Siwan / Muzaffarpur / Bihar |
| Faridpur B.O Taluk: Siwan | Branch Office | Delivery | Siwan / Muzaffarpur / Bihar |
| Gaighat B.O Taluk: Siwan | Branch Office | Delivery | Siwan / Muzaffarpur / Bihar |
| Jaijore B.O Taluk: Siwan | Branch Office | Delivery | Siwan / Muzaffarpur / Bihar |
| Kherai B.O Taluk: Siwan | Branch Office | Delivery | Siwan / Muzaffarpur / Bihar |
| Nadiwan B.O Taluk: Siwan | Branch Office | Delivery | Siwan / Muzaffarpur / Bihar |
| Nand Pur Amwari B.O Taluk: Siwan | Branch Office | Delivery | Siwan / Muzaffarpur / Bihar |
| Tiyan B.O Taluk: Siwan | Branch Office | Delivery | Siwan / Muzaffarpur / Bihar |
Other PIN Codes in Siwan
841203841210841223841226841227841232841233841234841235841236841237841238841239841240841241841242841243841244841245841286841287841404841406841408
Source: India Post – All India Pincode Directory (data.gov.in, GODL-India), retrieved 11 Oct 2026. Postal details can change – confirm with India Post for official purposes.