- PIN code
- 600023
- Main post office
- Aynavaram (sub office)
- District
- Chennai
- State
- Tamil Nadu
- Postal division
- Chennai City North
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (1 of 1 offices delivers)
- Location
- Open on a map (13.102, 80.230)
Post offices with PIN 600023
| Post office | Type | Delivery |
|---|---|---|
| Aynavaram | Sub office | Delivers mail |
600023 has a single post office.
What the digits of 600023 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.
- 023: the delivery post office within it, Aynavaram.
Head post office for 600023
The post offices with this PIN belong to the Chennai City North postal division, whose head office is listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.
- Park Town head post office: 600003
Nearby PIN codes in Chennai
- Rajbhavan (Chennai)600022
- Kodambakkam600024
- Washermanpet600021
- Engineering College (Chennai)600025
- Adyar (Chennai)600020
- Vadapalani600026
- Tiruvottiyur600019
- Teynampet600018
Writing an address with 600023
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 Aynavaram post office Chennai, Tamil Nadu – 600023
Frequently asked questions
Which post office has PIN code 600023?
Aynavaram sub office, in Chennai district, Tamil Nadu.
Is 600023 a delivery PIN code?
Yes. Its post office delivers mail; letters addressed to 600023 are delivered.
Which district is 600023 in?
Chennai district, Tamil Nadu. It is in the Chennai City North postal division (Chennai City Region) of the Tamilnadu postal circle.
What is the head post office for 600023?
The Chennai City North postal division's head office is Park Town (600003).
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.