About Postcode H3Y
This postal code is assigned to Westmount Municipality , Quebec, Canada. This location-level postal code helps ensure accurate mail delivery and location identification.
Postal Code Format
Canada uses alphanumeric postal codes with 6 characters (example: K1A 0B1). In our directory, these codes are organized from provinces down to regions.
- H3 — Province (Quebec)
- — Municipality (Westmount)
How to Use This Postcode H3Y
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Address format example:
Recipient Name
House #, Street Name
Westmount
Quebec
H3Y
Canada
Domestic Mail
Include this postcode on all letters and packages sent within Canada.
International Mail
For international deliveries, include "Canada" on the last address line after the postcode.
Frequently Asked Questions
What area does this postcode cover?
This postcode covers Quebec → Westmount in Canada.
Is this a valid List Post Code?
Yes. H3Y is an active postcode for Quebec → Westmount in Canada. It follows the 6-character format used in this country.
How do I find the postal code for a specific address?
Search by province, region, and municipality to find the correct postcode in Canada. Search Postcodes
Found incorrect info for H3Y?
Useful Resources
Developer API
Get this data via API
Free JSON for postcode H3Y.
https://api.listpostcode.com/v1/countries/CA/postcodes/H3Ycurl -H "x-api-key: YOUR_API_KEY" \
"https://api.listpostcode.com/v1/countries/CA/postcodes/H3Y"Requests need a free API key.