Source: Schema.org v30.1 vocabulary. Official postalCodePrefix property definition.
What does postalCodePrefix mean?
A defined range of postal codes indicated by a common textual prefix. Used for non-numeric systems such as UK.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status