# PostalCode - `v::postalCode(string $countryCode)` Validates a postal code according to the given country code. ```php v::postalCode('BR')->validate('02179000'); // true v::postalCode('BR')->validate('02179-000'); // true v::postalCode('US')->validate('02179-000'); // false v::postalCode('US')->validate('55372'); // true v::postalCode('PL')->validate('99-300'); // true ``` Message template for this validator includes `{{countryCode}}`. Extracted from [GeoNames](http://www.geonames.org/). *** See also: * [CountryCode](CountryCode.md)