How to use
- Paste the value into the validation field.
- Review format and check-digit feedback.
- Fix the input if needed — nothing is sent to a server.
What it's for
Validate Canadian postal code format.
About the document
Canadian postal codes alternate letter-digit-letter digit-letter-digit (e.g. K1A 0B1).
Also useful
Need an example? Try the postal code generator.
FAQ
- Does this query official databases?
- No. Validation is algorithmic and local only.
- Does data leave my browser?
- No. Everything runs locally on your device.
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