BT21 is a postcode district in Ards and North Down, UK. Below is a complete list of BT21 Postcodes (Active). BT21 postcode district comprises of 242 active postcodes and 1 postcode sectors. BT21 district has a population of 7814, and it has 3323 properties in the region.
| Population | 7814 |
| Addresses / Property Count | 3323 |
| Active Postcodes | 242 |
| Nearby Postcode Districts | 81 |
| Active Postcode Sectors | 1 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| BT21 0DX | 54.64490300 | -5.55192500 | 20 | 43 | 170926 | 533552 |
| BT21 0DY | 54.64424100 | -5.55165500 | 8 | 14 | 170940 | 533478 |
| BT21 0DZ | 54.64453700 | -5.55293900 | 13 | 24 | 170859 | 533515 |
| BT21 0EA | 54.64409300 | -5.54523400 | N/A | N/A | 171353 | 533440 |
| BT21 0EB | 54.64492900 | -5.54433100 | 19 | 42 | 171416 | 533530 |
| BT21 0ED | 54.64388700 | -5.54214800 | 34 | 50 | 171551 | 533407 |
| BT21 0EE | 54.64330800 | -5.54064900 | 31 | 60 | 171644 | 533338 |
| BT21 0EF | 54.62992800 | -5.53402200 | 6 | 11 | 171997 | 531829 |
| BT21 0EG | 54.62999700 | -5.53562900 | 13 | 28 | 171893 | 531841 |
| BT21 0EH | 54.64600300 | -5.54637400 | 9 | 25 | 171290 | 533656 |
| BT21 0EJ | 54.64536600 | -5.54772900 | 4 | 12 | 171199 | 533590 |
| BT21 0EL | 54.63207500 | -5.53791900 | 12 | 36 | 171757 | 532080 |
| BT21 0EN | 54.63049100 | -5.53694600 | 8 | 24 | 171811 | 531901 |
| BT21 0EP | 54.65880000 | -5.56241900 | 4 | 16 | 170328 | 535132 |
| BT21 0EQ | 54.63002900 | -5.53630800 | 15 | 34 | 171850 | 531847 |
| BT21 0ER | 54.63207700 | -5.53669600 | 24 | 78 | 171836 | 532076 |
| BT21 0ES | 54.63236300 | -5.53797900 | 13 | 40 | 171755 | 532112 |
| BT21 0ET | 54.65949500 | -5.56394300 | 4 | 6 | 170233 | 535214 |
| BT21 0EW | 54.63108200 | -5.53726700 | 12 | 35 | 171794 | 531967 |
| BT21 0EY | 54.63316700 | -5.54305800 | 27 | 74 | 171432 | 532218 |
| BT21 0EZ | 54.63222300 | -5.53551000 | 37 | 128 | 171914 | 532089 |
| BT21 0FA | 54.64753600 | -5.55863100 | N/A | N/A | 170508 | 533867 |
| BT21 0FB | 54.66078300 | -5.56811300 | 32 | 92 | 169972 | 535371 |
| BT21 0FD | 54.64187500 | -5.53777600 | 5 | 8 | 171821 | 533169 |
| BT21 0FE | 54.64407600 | -5.54613400 | 16 | 34 | 171295 | 533441 |
| BT21 0FF | 54.64359500 | -5.54549600 | 4 | 7 | 171333 | 533386 |
| BT21 0FG | 54.64514900 | -5.54278400 | 12 | 23 | 171517 | 533550 |
| BT21 0FH | 54.63863800 | -5.59488800 | 14 | 36 | 168119 | 532997 |
| BT21 0FJ | 54.64248400 | -5.53592700 | N/A | N/A | 171944 | 533231 |
| BT21 0FL | 54.64622600 | -5.55606000 | N/A | N/A | 170667 | 533713 |
| BT21 0FN | 54.64665000 | -5.55656100 | N/A | N/A | 170637 | 533762 |
| BT21 0FP | 54.64660000 | -5.55901200 | N/A | N/A | 170478 | 533764 |
| BT21 0FQ | 54.64190100 | -5.56883800 | N/A | N/A | 169818 | 533274 |
| BT21 0FR | 54.64752300 | -5.55929800 | N/A | N/A | 170465 | 533868 |
| BT21 0FS | 54.64699200 | -5.55925200 | N/A | N/A | 170465 | 533808 |
| BT21 0FT | 54.64630300 | -5.55094200 | N/A | N/A | 170997 | 533705 |
| BT21 0FU | 54.64561300 | -5.54263200 | N/A | N/A | 171529 | 533601 |
| BT21 0FW | 54.63858600 | -5.53600700 | N/A | N/A | 171917 | 532798 |
| BT21 0FX | 54.63919400 | -5.53541300 | N/A | N/A | 171959 | 532863 |
| BT21 0FY | 54.64750900 | -5.56128200 | N/A | N/A | 170337 | 533873 |
| BT21 0FZ | 54.64312700 | -5.54413000 | N/A | N/A | 171419 | 533329 |
| BT21 0GA | 54.64426700 | -5.53964600 | 10 | 14 | 171714 | 533441 |
| BT21 0GB | 54.64797400 | -5.56161100 | N/A | N/A | 170319 | 533925 |
| BT21 0GD | 54.64836200 | -5.56172700 | N/A | N/A | 170313 | 533969 |
| BT21 0GE | 54.64703100 | -5.56030400 | N/A | N/A | 170398 | 533816 |
| BT21 0GF | 54.64569100 | -5.55889700 | N/A | N/A | 170481 | 533663 |
| BT21 0GG | 54.64443400 | -5.55629100 | N/A | N/A | 170642 | 533514 |
| BT21 0GH | 54.64129000 | -5.53288500 | N/A | N/A | 172134 | 533088 |
| BT21 0GJ | 54.66117600 | -5.57067800 | N/A | N/A | 169809 | 535423 |
| BT21 0GL | 54.64343700 | -5.55365500 | N/A | N/A | 170806 | 533395 |