- PIN code
- 521231
- Main post office
- JNNURM Colony (sub office)
- District
- Ntr
- State
- Andhra Pradesh
- Postal division
- Vijayawada
- Region and circle
- Vijayawada Region, Andhra Pradesh circle
- Delivery
- Delivery PIN (1 of 1 offices delivers)
- Location
- Open on a map (16.310, 80.390)
Post offices with PIN 521231
| Post office | Type | Delivery |
|---|---|---|
| JNNURM Colony | Sub office | Delivers mail |
521231 has a single post office.
What the digits of 521231 mean
- 5: India Post's Southern region, which covers Andhra Pradesh, Karnataka, Puducherry and Telangana (3,313 PINs).
- 52: the Andhra Pradesh postal circle; 415 PINs start with 52.
- 521: the sorting district, shared by 108 PINs in 3 districts.
- 231: the delivery post office within it, JNNURM Colony.
Head post office for 521231
The post offices with this PIN belong to the Vijayawada 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.
- Buckinghampet head post office: 520002
- Vijayawada GPO head post office: 520001
Nearby PIN codes in Ntr
- Mylavaram (Krishna)521230
- G Konduru521229
- Kondapalli521228
- Khambhampadu521227
- A.Konduru521226
- Gollapudi521225
- Vissannapet521215
- Nunna521212
Writing an address with 521231
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 JNNURM Colony post office Ntr, Andhra Pradesh – 521231
Frequently asked questions
Which post office has PIN code 521231?
JNNURM Colony sub office, in Ntr district, Andhra Pradesh.
Is 521231 a delivery PIN code?
Yes. Its post office delivers mail; letters addressed to 521231 are delivered.
Which district is 521231 in?
Ntr district, Andhra Pradesh. It is in the Vijayawada postal division (Vijayawada Region) of the Andhra Pradesh postal circle.
What is the head post office for 521231?
The Vijayawada postal division's head offices are Buckinghampet (520002) and Vijayawada GPO (520001).
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.