- PIN code
- 841203
- Main post office
- Chainpur SO Siwan (sub office)
- District
- Siwan
- State
- Bihar
- Postal division
- Siwan
- Region and circle
- Muzaffarpur Region, Bihar circle
- Delivery
- Delivery PIN (10 of 10 offices deliver)
- Location
- Open on a map (26.227, 84.356)
Post offices with PIN 841203
| Post office | Type | Delivery |
|---|---|---|
| Chainpur SO Siwan | Sub office | Delivers mail |
| Ansar | Branch office | Delivers mail |
| Bakhari | Branch office | Delivers mail |
| Bangra Ke Bari | Branch office | Delivers mail |
| Chhitauli | Branch office | Delivers mail |
| Dighwalia | Branch office | Delivers mail |
| Jagdishpur | Branch office | Delivers mail |
| Nandamura | Branch office | Delivers mail |
| Ramgarh | Branch office | Delivers mail |
| Sarhara | Branch office | Delivers mail |
841203 covers 0 head offices, 1 sub office and 9 branch offices.
What the digits of 841203 mean
- 8: India Post's Eastern region, which covers Bihar and Jharkhand (1,274 PINs).
- 84: the Bihar postal circle; 379 PINs start with 84.
- 841: the sorting district, shared by 103 PINs in 3 districts.
- 203: the delivery post office within it, Chainpur SO Siwan.
Head post office for 841203
The post offices with this PIN belong to the Siwan postal division, whose head offices are listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.
- Gopalganj head post office: 841428
- Siwan head post office: 841226
Nearby PIN codes in Siwan
- Gangpur Siswan841210
- Siwan841226
- Gaushalaroad Siwan841227
- Station Road841228
- Andar841231
- Barhria841232
- Daronda841233
- Darauli841234
Writing an address with 841203
Put the PIN on the last line, after the town and state, so the sorting machines and postmen can read it:
Name House number, street Chainpur SO Siwan post office Siwan, Bihar – 841203
Frequently asked questions
Which post office has PIN code 841203?
10 post offices share it: Chainpur SO Siwan, Ansar, Bakhari, Bangra Ke Bari, Chhitauli, Dighwalia and 4 more, in Siwan district, Bihar.
Is 841203 a delivery PIN code?
Yes. All 10 of its post offices deliver mail; letters addressed to 841203 are delivered.
Which district is 841203 in?
Siwan district, Bihar. It is in the Siwan postal division (Muzaffarpur Region) of the Bihar postal circle.
What is the head post office for 841203?
The Siwan postal division's head offices are Gopalganj (841428) and Siwan (841226).
Sources
Last checked on 6 October 2026. PIN codes and post offices are from India Post’s directory on data.gov.in. Post offices are sometimes opened, merged or renamed; check with India Post before relying on a PIN for an official form.