- PIN code
- 521001
- Main post office
- Machilipatnam (head office)
- District
- Krishna
- State
- Andhra Pradesh
- Postal division
- Machilipatnam
- Region and circle
- Vijayawada Region, Andhra Pradesh circle
- Delivery
- Delivery PIN (1 of 9 offices delivers)
- Location
- Open on a map (16.184, 81.135)
Post offices with PIN 521001
| Post office | Type | Delivery |
|---|---|---|
| Machilipatnam | Head office | Delivers mail |
| Balaramunipet | Sub office | Counter only |
| Batchupet | Sub office | Counter only |
| Bhaskarapuram | Sub office | Counter only |
| Desaipet | Sub office | Counter only |
| Godugupet | Sub office | Counter only |
| Inagudurupet | Sub office | Counter only |
| Rajupet | Sub office | Counter only |
| U.G.C.Works | Sub office | Counter only |
521001 covers 1 head office, 8 sub offices and 0 branch offices.
What the digits of 521001 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.
- 001: the delivery post office within it, Machilipatnam.
Head post office for 521001
Machilipatnam is itself a head post office. It keeps the accounts for the Machilipatnam division's sub and branch offices.
Nearby PIN codes in Krishna
- Chilakalapudi521002
- Chintaguntapalem521003
- Krishna University521004
- Gannavaram521101
- Bacon Factory521102
- Hanuman Junction521105
- Kanumolu521106
- Mustabad (Krishna)521107
Writing an address with 521001
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 Machilipatnam post office Krishna, Andhra Pradesh – 521001
Frequently asked questions
Which post office has PIN code 521001?
9 post offices share it: Machilipatnam, Balaramunipet, Batchupet, Bhaskarapuram, Desaipet, Godugupet and 3 more, in Krishna district, Andhra Pradesh.
Is 521001 a delivery PIN code?
Yes. Machilipatnam delivers mail; letters addressed to 521001 are delivered.
Which district is 521001 in?
Krishna district, Andhra Pradesh. It is in the Machilipatnam postal division (Vijayawada Region) of the Andhra Pradesh postal circle.
What is the head post office for 521001?
Machilipatnam is itself a head post office, with PIN 521001.
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.