- PIN code
- 841439
- Main post office
- Mustfabad (sub office)
- District
- Siwan
- State
- Bihar
- Postal division
- Siwan
- Region and circle
- Muzaffarpur Region, Bihar circle
- Delivery
- Delivery PIN (9 of 9 offices deliver)
- Location
- Open on a map (25.912, 84.213)
Post offices with PIN 841439
| Post office | Type | Delivery |
|---|---|---|
| Mustfabad | Sub office | Delivers mail |
| Agya | Branch office | Delivers mail |
| Chainpur | Branch office | Delivers mail |
| Kaladumra | Branch office | Delivers mail |
| Laxmiganj | Branch office | Delivers mail |
| Purandarpur | Branch office | Delivers mail |
| Sahatwar | Branch office | Delivers mail |
| Saidpura | Branch office | Delivers mail |
| Sani Basantpur | Branch office | Delivers mail |
841439 covers 0 head offices, 1 sub office and 8 branch offices.
What the digits of 841439 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.
- 439: the delivery post office within it, Mustfabad.
Head post office for 841439
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
- Guthni841435
- Goreakothi841434
- Narendrapur841446
- Lakrinabiganj841447
- Kishunpura841416
- Bhagwanpur Hat841408
- Basantpur SO Siwan841406
- Bagaura841404
Writing an address with 841439
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 Mustfabad post office Siwan, Bihar – 841439
Frequently asked questions
Which post office has PIN code 841439?
9 post offices share it: Mustfabad, Agya, Chainpur, Kaladumra, Laxmiganj, Purandarpur and 3 more, in Siwan district, Bihar.
Is 841439 a delivery PIN code?
Yes. All 9 of its post offices deliver mail; letters addressed to 841439 are delivered.
Which district is 841439 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 841439?
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.