ZIP / Postal Code

Validates that a value is a US ZIP code. Both the 5-digit form and the ZIP+4 extended form are accepted.

Configuration

Config flag	Type	Description
`zip`	`boolean`	When `true`, requires the value to be a valid US ZIP code.

const form = useForm({
  initialValues: { postalCode: '' },
  validationSchema: {
    postalCode: { zip: true },
  },
});

import { V } from 'formify-js';

V.zip();

Scenario	Message
Value is not a valid ZIP code	`Must be a valid ZIP code`

ZIP+4 (12345-6789) is accepted without any extra configuration.
This validator targets US ZIP codes only. For other countries' postal codes, use the pattern validator with the appropriate regex.