Postcode area BT21* (highlighted)
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Postcode BT21 Town Parks of Donaghadee - Postcodes BT21* in the UK

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27Communities

Postcode area BT21* contains 10 postcodes in the UK, all in Northern Ireland / Tuaisceart Éireann. This postcode area covers places including Town Parks of Donaghadee, Ballyhay, Cotton, Ballyblack and more. All postcodes beginning with BT21 are listed below.

FAQs about postcode area BT21

Which postcodes start with BT21?

In the UK, 10 postcodes start with BT21, including areas such as Town Parks of Donaghadee, Ballyhay, Cotton in Northern Ireland / Tuaisceart Éireann. The full list is above.

What does postcode area BT21 cover?

BT21* is a UK postcode area containing 10 postcodes starting with BT21. This area is entirely within Northern Ireland / Tuaisceart Éireann.

Which nation is postcode BT21 in?

Postcode area BT21* is entirely within Northern Ireland / Tuaisceart Éireann.

Where does postcode data for BT21* come from?

Data is from OpenStreetMap and may be incomplete. For authoritative information contact Royal Mail.

Parent areas: B* › BT* › BT2* › BT21*