SO21 is located in the county of
Test Valley, Hampshire · England
Hampshire 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 Hampshire. This is the ceremonial/geographic county for postcode SO21.
Your council tax is collected by Test Valley, which is the local authority within Hampshire. 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 SO21, use Hampshire.
Postcode SO21 is in Test Valley, which is the local authority (council) that provides your day-to-day services such as waste collection, planning permission, and housing. Test Valley sits within the ceremonial county of Hampshire, which is the geographic county used on official forms, passport applications, and formal addresses.
In short: Test Valley is your council; Hampshire is your county. When forms ask for "county", enter Hampshire.
SO21 is in Hampshire, England.
SO21 is in Test Valley.
For postcode SO21, enter Hampshire as your county on official forms, passport applications, and formal addresses.
Postcode SO21 is served by Test Valley, a local authority within Hampshire. 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 Hampshire can help if the postcode is unclear or on forms that require it.
Hampshire is a ceremonial county, one of 46 ceremonial counties in England headed by a Lord Lieutenant.