- PIN code
- 604304
- Main post office
- Mailam (sub office)
- District
- Villupuram
- State
- Tamil Nadu
- Postal division
- Pondicherry
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (7 of 7 offices deliver)
- Location
- Open on a map (12.118, 79.617)
Post offices with PIN 604304
| Post office | Type | Delivery |
|---|---|---|
| Mailam | Sub office | Delivers mail |
| Eraiyur | Branch office | Delivers mail |
| Padirapuliyur | Branch office | Delivers mail |
| Perumbakkam | Branch office | Delivers mail |
| Thaludali | Branch office | Delivers mail |
| Tiruvakkarai | Branch office | Delivers mail |
| Veliyanur | Branch office | Delivers mail |
604304 covers 0 head offices, 1 sub office and 6 branch offices.
What the digits of 604304 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.
- 304: the delivery post office within it, Mailam.
Head post office for 604304
The post offices with this PIN belong to the Pondicherry 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.
- Pondicherry head post office: 605001
- Tindivanam head post office: 604001
- Viluppuram head post office: 605602
Nearby PIN codes in Villupuram
- Markanum604303
- Olakkur604305
- Kutteripattu604302
- Rettanai604306
- Brahmadesam SO Villupuram604301
- Saram Tindivanam604307
- Illodu604210
- Valathi604208
All 60 PIN codes in Villupuram
Writing an address with 604304
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 Mailam post office Villupuram, Tamil Nadu – 604304
Frequently asked questions
Which post office has PIN code 604304?
7 post offices share it: Mailam, Eraiyur, Padirapuliyur, Perumbakkam, Thaludali, Tiruvakkarai and 1 more, in Villupuram district, Tamil Nadu.
Is 604304 a delivery PIN code?
Yes. All 7 of its post offices deliver mail; letters addressed to 604304 are delivered.
Which district is 604304 in?
Villupuram district, Tamil Nadu. It is in the Pondicherry postal division (Chennai City Region) of the Tamilnadu postal circle.
What is the head post office for 604304?
The Pondicherry postal division's head offices are Pondicherry (605001), Tindivanam (604001) and Viluppuram (605602).
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.