- PIN code
- 683503
- Main post office
- Hmt Colony (sub office)
- District
- Ernakulam
- State
- Kerala
- Postal division
- Ernakulam
- Region and circle
- Kochi Region, Kerala circle
- Delivery
- Delivery PIN (1 of 1 offices delivers)
- Location
- Open on a map (10.043, 76.329)
Post offices with PIN 683503
| Post office | Type | Delivery |
|---|---|---|
| Hmt Colony | Sub office | Delivers mail |
683503 has a single post office.
What the digits of 683503 mean
- 6: India Post's Southern region, which covers Kerala, Lakshadweep, Puducherry and Tamil Nadu (3,512 PINs).
- 68: the Kerala postal circle; 656 PINs start with 68.
- 683: the sorting district, shared by 55 PINs in 1 district.
- 503: the delivery post office within it, Hmt Colony.
Head post office for 683503
The post offices with this PIN belong to the Ernakulam 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.
- Ernakulam head post office: 682011
- Kochi head post office: 682001
Nearby PIN codes in Ernakulam
- Binanipuram683502
- Udyogamandal683501
- Alangad683511
- Chendamangalam683512
- Paravur SO Ernakulam683513
- Cherai683514
- Palliport683515
- Moothakunnam683516
All 145 PIN codes in Ernakulam
Writing an address with 683503
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 Hmt Colony post office Ernakulam, Kerala – 683503
Frequently asked questions
Which post office has PIN code 683503?
Hmt Colony sub office, in Ernakulam district, Kerala.
Is 683503 a delivery PIN code?
Yes. Its post office delivers mail; letters addressed to 683503 are delivered.
Which district is 683503 in?
Ernakulam district, Kerala. It is in the Ernakulam postal division (Kochi Region) of the Kerala postal circle.
What is the head post office for 683503?
The Ernakulam postal division's head offices are Ernakulam (682011) and Kochi (682001).
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.