Siwan PIN codes
Siwan district (Bihar) has 36 PIN codes and 324 post offices. Tap a PIN for its post offices, villages and nearby PINs.
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About Siwan: the numbers
Siwan district has 36 PIN codes, from 841203 to 841509, and 324 post offices: 1 head office, 37 sub offices and 286 branch offices. 322 of the offices (99%) deliver mail; the rest offer counter services only.
Its PIN codes use 1 sorting district code: 841 (36).
By the Local Government Directory, Siwan district has 27 rural PIN codes and 1 town-and-village PIN code, and 1,551 villages carry a PIN code here.
The PIN code with the most post offices is 841239 (Mairwa, 22); the one with the most villages is 841232 (Barhria, 139).
India Post serves Siwan district through 1 postal division: Siwan Division.
| PIN | Areas / post offices | Offices |
|---|---|---|
| 841203 | Chainpur SO Siwan, Ansar, Bakhari, Bangra Ke Bari, Chhitauli, Dighwalia +4 more | 10 |
| 841210 | Gangpur Siswan, Bhagar, Gayaspur, Ghurghat, Kachnar, Madhopur +1 more | 7 |
| 841226 | Siwan, Mahodipur, Chapra Road, Siwan Chowk Bazar | 4 |
| 841227 | Gaushalaroad Siwan, Barhani Bazar, Barhni, Basopali, Benusar, Benusar Bujurg +12 more | 18 |
| 841228 | Station Road, Amlori, Barakagaon, Barheya, Bhantapokhar, Chakra +10 more | 16 |
| 841231 | Andar, Bhawrajpur, Faridpur, Gaighat, Jaijore, Kherai +3 more | 9 |
| 841232 | Barhria, Bahadurpur Bazar, Bhaluan, Bhimpur, Hardia, Koerigawan +4 more | 10 |
| 841233 | Daronda, Harsardhanauti, Jalalpur, Kolhua, Laheji, Machhauta +4 more | 10 |
| 841234 | Darauli, Amarpur, Balahu, Bishwania, Gauri, Keotalia +2 more | 8 |
| 841235 | Done, Belaon, Draili Mathia, Harnatar, Kanhauli, Kumhatti +5 more | 11 |
| 841236 | Hasanpura, Aranda, Bhikhpur Bhgwanpur, Dhanutihata, Rajanpura, Rampur Ke Tola +1 more | 7 |
| 841237 | Hussainganj, Ballia, Bhikhpur, Hathura, Machakna | 5 |
| 841238 | Mahrajganj SO Siwan, Balliapokhra, Bishunpura, Chhotkateghra, Deoria, Gohpur Bajrahia +11 more | 17 |
| 841239 | Mairwa, Akolhi, Anugrhnagar, Bargaon, Belaur, Belauri +16 more | 22 |
| 841240 | Mahuwal Mahal, Chandparsa, Merhi, Tarwaparsa | 4 |
| 841241 | Pachrukhi, Badram, Champ, Gambhria, Itwa Bartwalia, Jasauli +3 more | 9 |
| 841242 | Paterhi, Choiapali, Paterha, Ratanparauli | 4 |
| 841243 | Sahpur, BPEkdanga, Barkamanjha, Chainpur Hata, Chhotka Manjha, Jagdishpur Kothi +7 more | 13 |
| 841244 | Takipur, Balaun, Bhikha Bandh Satjora, Pipra, Ramgarh, Rasulpur Chakri +1 more | 7 |
| 841245 | Zeradei, Banthu Sriram, Bardaha, Barhulia, Bhaisakhal, Bharuli +13 more | 19 |
| 841286 | Bakerganj, Alapur, Harihans, Rafipur, Sahuli, Telkathu | 6 |
| 841287 | Asaon, Kandhpakar, Kashila, Pihuli | 4 |
| 841404 | Bagaura, KTBharauli | 2 |
| 841406 | Basantpur SO Siwan, Baghi, Baijubarhoga, Basaowan, Chorauli, Chorma +10 more | 16 |
| 841408 | Bhagwanpur Hat, Barhipurgop, Barkagaowan, Bhikhampur, Hulesra, Sahsrawan +1 more | 7 |
| 841413 | Jamobazar, Belsand, Hatimpur, Jogapur Kothi, Madhopur, Paltuhatta +2 more | 8 |
| 841416 | Kishunpura, Chimanpura, Dumra, Khawaspur, Sarif Jalalpur | 5 |
| 841434 | Goreakothi, Bhithi, Dudhra, Harihar Pur Lalgarh, Hariharpur Kala, Marachhi +2 more | 8 |
| 841435 | Guthni, Balua, Bhlua, Chakari, Chitakhal, Dumrahar +3 more | 9 |
| 841439 | Mustfabad, Agya, Chainpur, Kaladumra, Laxmiganj, Purandarpur +3 more | 9 |
| 841446 | Narendrapur, Gaziapur | 2 |
| 841502 | Khujhwa, Patar, Santhi | 3 |
| 841504 | Raghunathpur SO Siwan, Admapur, Harnathpur, Karsar, Nikhti Kala, Narhan +2 more | 8 |
| 841506 | Tarwara, Babhanbara, Balia, Bhartpura, Chaukihasan, Dindayalpur +8 more | 14 |
| 841507 | Mora SO Siwan, Bherwania, Bithuna, Chakia, Govindapur, Lawa Rampur +3 more | 9 |
| 841509 | Gabhirar, Newari, Panjwar, Tari | 4 |
Source: India Post, All India Pincode Directory on data.gov.in (Government Open Data License - India), list dated 3 Oct 2025. District names are as India Post lists them.