- PIN code
- 604405
- Main post office
- Marudadu (sub office)
- District
- Tiruvannamalai
- State
- Tamil Nadu
- Postal division
- Tiruvannamalai
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (7 of 7 offices deliver)
- Location
- Open on a map (12.235, 79.077)
Post offices with PIN 604405
| Post office | Type | Delivery |
|---|---|---|
| Marudadu | Sub office | Delivers mail |
| Amudur | Branch office | Delivers mail |
| Kodanallur | Branch office | Delivers mail |
| Nelliyankulam | Branch office | Delivers mail |
| Osur | Branch office | Delivers mail |
| Punnai | Branch office | Delivers mail |
| Vazhur | Branch office | Delivers mail |
604405 covers 0 head offices, 1 sub office and 6 branch offices.
What the digits of 604405 mean
- 6: India Post's Southern region, which covers Kerala, Lakshadweep, Puducherry and Tamil Nadu (3,512 PINs).
- 60: the Tamilnadu postal circle; 476 PINs start with 60.
- 604: the sorting district, shared by 40 PINs in 2 districts.
- 405: the delivery post office within it, Marudadu.
Head post office for 604405
The post offices with this PIN belong to the Tiruvannamalai 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.
- Arni head post office: 632301
- Tiruvannamalai head post office: 606601
Nearby PIN codes in Tiruvannamalai
- Kilkovalavedu604404
- Tellar604406
- Kilkodungalur604403
- Tiruvettipuram604407
- Hasanamapettai604402
- Vandavasi604408
- Anukkavoor604401
- Valkadai604409
All 71 PIN codes in Tiruvannamalai
Writing an address with 604405
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 Marudadu post office Tiruvannamalai, Tamil Nadu – 604405
Frequently asked questions
Which post office has PIN code 604405?
7 post offices share it: Marudadu, Amudur, Kodanallur, Nelliyankulam, Osur, Punnai and 1 more, in Tiruvannamalai district, Tamil Nadu.
Is 604405 a delivery PIN code?
Yes. All 7 of its post offices deliver mail; letters addressed to 604405 are delivered.
Which district is 604405 in?
Tiruvannamalai district, Tamil Nadu. It is in the Tiruvannamalai postal division (Chennai City Region) of the Tamilnadu postal circle.
What is the head post office for 604405?
The Tiruvannamalai postal division's head offices are Arni (632301) and Tiruvannamalai (606601).
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.