- PIN code
- 600123
- Main post office
- Nazarethpettai (sub office)
- District
- Thiruvallur
- State
- Tamil Nadu
- Postal division
- Tambaram
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (3 of 3 offices deliver)
- Location
- Open on a map (12.042, 80.079)
Post offices with PIN 600123
| Post office | Type | Delivery |
|---|---|---|
| Nazarethpettai | Sub office | Delivers mail |
| Malayambakkam | Branch office | Delivers mail |
| Sembarambakkam | Branch office | Delivers mail |
600123 covers 0 head offices, 1 sub office and 2 branch offices.
What the digits of 600123 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.
- 123: the delivery post office within it, Nazarethpettai.
Head post office for 600123
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
- Thirumushi600124
- North Chennai Thermal PP600120
- Somangalam600133
- Ponniammanmedu600110
- Thiruverkadu600077
- Pattabiram600072
- Kamarajnagar600071
- Sholavaram600067
All 61 PIN codes in Thiruvallur
Writing an address with 600123
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 Nazarethpettai post office Thiruvallur, Tamil Nadu – 600123
Frequently asked questions
Which post office has PIN code 600123?
3 post offices share it: Nazarethpettai, Malayambakkam and Sembarambakkam, in Thiruvallur district, Tamil Nadu.
Is 600123 a delivery PIN code?
Yes. All 3 of its post offices deliver mail; letters addressed to 600123 are delivered.
Which district is 600123 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 600123?
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.