- PIN code
- 601101
- Main post office
- Arni CPT (sub office)
- District
- Thiruvallur
- State
- Tamil Nadu
- Postal division
- Tambaram
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (4 of 4 offices deliver)
- Location
- Open on a map (13.339, 80.251)
Post offices with PIN 601101
| Post office | Type | Delivery |
|---|---|---|
| Arni CPT | Sub office | Delivers mail |
| Panayancheri | Branch office | Delivers mail |
| Pondavakkam | Branch office | Delivers mail |
| Rallapadi | Branch office | Delivers mail |
601101 covers 0 head offices, 1 sub office and 3 branch offices.
What the digits of 601101 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.
- 601: the sorting district, shared by 10 PINs in 2 districts.
- 101: the delivery post office within it, Arni CPT.
Head post office for 601101
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.
- Ambattur head post office: 600053
- Avadi Camp head post office: 600054
- Tambaram head post office: 600045
Nearby PIN codes in Thiruvallur
- Periapalayam601102
- Vengal601103
- Gummidipundi601201
- Madarpakkam601202
- Minjur601203
- Ponneri601204
- Pulicat601205
- Kavarapettai601206
All 61 PIN codes in Thiruvallur
Writing an address with 601101
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 Arni CPT post office Thiruvallur, Tamil Nadu – 601101
Frequently asked questions
Which post office has PIN code 601101?
4 post offices share it: Arni CPT, Panayancheri, Pondavakkam and Rallapadi, in Thiruvallur district, Tamil Nadu.
Is 601101 a delivery PIN code?
Yes. All 4 of its post offices deliver mail; letters addressed to 601101 are delivered.
Which district is 601101 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 601101?
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.