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600056 PIN code: Poonamallee, Thiruvallur

600056 is the PIN code of Poonamallee sub office and 3 other post offices in Thiruvallur district, Tamil Nadu. 1 of them delivers mail; the rest offer counter services only.

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PIN code
600056
Main post office
Poonamallee (sub office)
District
Thiruvallur
Postal division
Tambaram
Region and circle
Chennai City Region, Tamilnadu circle
Delivery
Delivery PIN (1 of 4 offices delivers)
Location
Open on a map (13.051, 80.103)

Post offices with PIN 600056

Post officeTypeDelivery
PoonamalleeSub officeDelivers mail
IyyappanthangalSub officeCounter only
KattupakkamBranch officeCounter only
SenneerkuppamBranch officeCounter only

600056 covers 0 head offices, 2 sub offices and 2 branch offices.

What the digits of 600056 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.
  • 600: the sorting district, shared by 123 PINs in 4 districts.
  • 056: the delivery post office within it, Poonamallee.

Head post office for 600056

The post offices with this PIN belong to the Tambaram 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.

Nearby PIN codes in Thiruvallur

All 61 PIN codes in Thiruvallur

Writing an address with 600056

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
Poonamallee post office
Thiruvallur, Tamil Nadu – 600056

Frequently asked questions

Which post office has PIN code 600056?

4 post offices share it: Poonamallee, Iyyappanthangal, Kattupakkam and Senneerkuppam, in Thiruvallur district, Tamil Nadu.

Is 600056 a delivery PIN code?

Yes. Poonamallee delivers mail; letters addressed to 600056 are delivered.

Which district is 600056 in?

Thiruvallur district, Tamil Nadu. It is in the Tambaram postal division (Chennai City Region) of the Tamilnadu postal circle.

What is the head post office for 600056?

The Tambaram postal division's head offices are Ambattur (600053), Avadi Camp (600054) and Tambaram (600045).

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.