PO21 is located in the county of
Arun, West Sussex · England
West Sussex is a ceremonial county in England. As a ceremonial county, it is headed by a Lord Lieutenant who serves as the Sovereign's representative.
When asked for your county on official forms (passport applications, DVLA, HMRC), enter West Sussex. This is the ceremonial/geographic county for postcode PO21.
Your council tax is collected by Arun, which is the local authority within West Sussex. Contact your local council for billing enquiries.
Royal Mail considers the county optional in postal addresses — the postcode is sufficient for delivery. However, many forms and databases still require a county. For PO21, use West Sussex.
Postcode PO21 is in Arun, which is the local authority (council) that provides your day-to-day services such as waste collection, planning permission, and housing. Arun sits within the ceremonial county of West Sussex, which is the geographic county used on official forms, passport applications, and formal addresses.
In short: Arun is your council; West Sussex is your county. When forms ask for "county", enter West Sussex.
PO21 is in West Sussex, England.
PO21 is in Arun.
For postcode PO21, enter West Sussex as your county on official forms, passport applications, and formal addresses.
Postcode PO21 is served by Arun, a local authority within West Sussex. Contact them for council tax, planning, and local services.
Yes. Royal Mail states that the postcode is the essential element for delivery — county is not required. However, including West Sussex can help if the postcode is unclear or on forms that require it.
West Sussex is a ceremonial county, one of 46 ceremonial counties in England headed by a Lord Lieutenant.