- PIN code
- 683518
- Main post office
- Koonammavu (sub office)
- District
- Ernakulam
- State
- Kerala
- Postal division
- Alwaye
- Region and circle
- Kochi Region, Kerala circle
- Delivery
- Delivery PIN (2 of 2 offices deliver)
- Location
- Open on a map (10.103, 76.263)
Post offices with PIN 683518
| Post office | Type | Delivery |
|---|---|---|
| Koonammavu | Sub office | Delivers mail |
| Kongorpilly | Branch office | Delivers mail |
683518 covers 0 head offices, 1 sub office and 1 branch office.
What the digits of 683518 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.
- 518: the delivery post office within it, Koonammavu.
Head post office for 683518
The post offices with this PIN belong to the Alwaye 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.
- Aluva head post office: 683101
- Muvattupuzha head post office: 686661
- Perumbavoor head post office: 683542
Nearby PIN codes in Ernakulam
- Varapuzha683517
- Kaitharam683519
- Moothakunnam683516
- Mannam Paravur683520
- Palliport683515
- Vadakkumpuram683521
- Cherai683514
- Vadakkekara683522
All 145 PIN codes in Ernakulam
Writing an address with 683518
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 Koonammavu post office Ernakulam, Kerala – 683518
Frequently asked questions
Which post office has PIN code 683518?
2 post offices share it: Koonammavu and Kongorpilly, in Ernakulam district, Kerala.
Is 683518 a delivery PIN code?
Yes. All 2 of its post offices deliver mail; letters addressed to 683518 are delivered.
Which district is 683518 in?
Ernakulam district, Kerala. It is in the Alwaye postal division (Kochi Region) of the Kerala postal circle.
What is the head post office for 683518?
The Alwaye postal division's head offices are Aluva (683101), Muvattupuzha (686661) and Perumbavoor (683542).
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.