- PIN code
- 231311
- Main post office
- Chunar Cement Factory (sub office)
- District
- Mirzapur
- State
- Uttar Pradesh
- Postal division
- Mirzapur
- Region and circle
- Prayagraj Regional Office, Uttar Pradesh circle
- Delivery
- Delivery PIN (1 of 1 offices delivers)
- Location
- Open on a map (24.956, 82.884)
Post offices with PIN 231311
| Post office | Type | Delivery |
|---|---|---|
| Chunar Cement Factory | Sub office | Delivers mail |
231311 has a single post office.
What the digits of 231311 mean
- 2: India Post's Northern region, which covers Uttar Pradesh and Uttarakhand (1,972 PINs).
- 23: the Uttar Pradesh postal circle; 127 PINs start with 23.
- 231: the sorting district, shared by 35 PINs in 2 districts.
- 311: the delivery post office within it, Chunar Cement Factory.
Head post office for 231311
The post offices with this PIN belong to the Mirzapur 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.
- Mirzapur head post office: 231001
- Robertsganj head post office: 231216
Nearby PIN codes in Mirzapur
- Chilh231312
- Kubari Patehara231309
- Jigna RS231313
- Jamua SO Mirzapur231314
- Vindhyachal231307
- Sikhar231306
- Narainpur SO Mirzapur231305
- Chunar231304
Writing an address with 231311
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 Chunar Cement Factory post office Mirzapur, Uttar Pradesh – 231311
Frequently asked questions
Which post office has PIN code 231311?
Chunar Cement Factory sub office, in Mirzapur district, Uttar Pradesh.
Is 231311 a delivery PIN code?
Yes. Its post office delivers mail; letters addressed to 231311 are delivered.
Which district is 231311 in?
Mirzapur district, Uttar Pradesh. It is in the Mirzapur postal division (Prayagraj Regional Office) of the Uttar Pradesh postal circle.
What is the head post office for 231311?
The Mirzapur postal division's head offices are Mirzapur (231001) and Robertsganj (231216).
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.