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 0GN | 54.64135900 | -5.53449200 | N/A | N/A | 172030 | 533101 |
| BT21 0GP | 54.64279100 | -5.55369400 | N/A | N/A | 170800 | 533323 |
| BT21 0GQ | 54.64317700 | -5.55368700 | N/A | N/A | 170803 | 533366 |
| BT21 0GT | 54.64135900 | -5.53449200 | N/A | N/A | 172030 | 533101 |
| BT21 0GU | 54.64135900 | -5.53449200 | N/A | N/A | 172030 | 533101 |
| BT21 0GX | 54.65591900 | -5.55634600 | N/A | N/A | 170703 | 534792 |
| BT21 0GY | 54.65591900 | -5.55634600 | N/A | N/A | 170703 | 534792 |
| BT21 0GZ | 54.64135900 | -5.53449200 | 9 | 14 | 172030 | 533101 |
| BT21 0HA | 54.64118300 | -5.53510700 | N/A | N/A | 171990 | 533084 |
| BT21 0HB | 54.64145200 | -5.53375800 | 15 | 26 | 172078 | 533109 |
| BT21 0HD | 54.64217100 | -5.53419500 | 26 | 46 | 172054 | 533191 |
| BT21 0HE | 54.64270300 | -5.53385300 | 40 | 49 | 172079 | 533249 |
| BT21 0HF | 54.64223800 | -5.53309100 | 18 | 32 | 172126 | 533194 |
| BT21 0HG | 54.64252100 | -5.53240700 | 8 | 13 | 172171 | 533224 |
| BT21 0HH | 54.64199800 | -5.53233100 | 8 | 18 | 172173 | 533165 |
| BT21 0HJ | 54.64171900 | -5.53278100 | 13 | 17 | 172143 | 533136 |
| BT21 0HL | 54.64119500 | -5.53216200 | 15 | 31 | 172180 | 533075 |
| BT21 0HN | 54.64136400 | -5.53165600 | 4 | 6 | 172213 | 533093 |
| BT21 0HP | 54.64059200 | -5.53126900 | 26 | 54 | 172234 | 533005 |
| BT21 0HR | 54.64027900 | -5.53175300 | 37 | 62 | 172201 | 532972 |
| BT21 0HS | 54.63855800 | -5.53063400 | 12 | 22 | 172264 | 532777 |
| BT21 0HT | 54.63776300 | -5.53178200 | 18 | 37 | 172185 | 532693 |
| BT21 0HU | 54.63854600 | -5.53224500 | 9 | 17 | 172160 | 532781 |
| BT21 0HW | 54.64112000 | -5.53157800 | 13 | 22 | 172217 | 533065 |
| BT21 0HX | 54.63940500 | -5.53210000 | 14 | 22 | 172174 | 532876 |
| BT21 0HY | 54.63897800 | -5.53316400 | 23 | 59 | 172103 | 532832 |
| BT21 0HZ | 54.63668300 | -5.53302400 | 39 | 92 | 172099 | 532576 |
| BT21 0JA | 54.63713900 | -5.53157200 | 21 | 49 | 172195 | 532622 |
| BT21 0JB | 54.63651400 | -5.53178000 | 9 | 29 | 172178 | 532554 |
| BT21 0JD | 54.63675500 | -5.53390300 | 6 | 17 | 172043 | 532587 |
| BT21 0JE | 54.63757200 | -5.53517000 | 39 | 61 | 171965 | 532682 |
| BT21 0JF | 54.63823900 | -5.53616800 | 13 | 16 | 171905 | 532760 |
| BT21 0JG | 54.64581900 | -5.55146700 | 43 | 132 | 170961 | 533653 |
| BT21 0JH | 54.63782400 | -5.53695200 | 18 | 24 | 171852 | 532716 |
| BT21 0JJ | 54.63788100 | -5.53490400 | N/A | N/A | 171984 | 532716 |
| BT21 0JL | 54.64177000 | -5.53174000 | 18 | 25 | 172210 | 533138 |
| BT21 0JN | 54.63086100 | -5.53480200 | 7 | 22 | 171952 | 531935 |
| BT21 0JQ | 54.63463800 | -5.54114100 | N/A | N/A | 171564 | 532375 |
| BT21 0JR | 54.63044900 | -5.53840500 | 21 | 72 | 171717 | 531901 |
| BT21 0JS | 54.63062900 | -5.53884300 | 13 | 46 | 171690 | 531922 |
| BT21 0JT | 54.63066300 | -5.53966200 | 13 | 40 | 171637 | 531929 |
| BT21 0JU | 54.62819200 | -5.53965600 | 35 | 132 | 171623 | 531654 |
| BT21 0JW | 54.62904300 | -5.53864500 | 27 | 78 | 171693 | 531745 |
| BT21 0JX | 54.62925600 | -5.53719100 | 16 | 51 | 171788 | 531764 |
| BT21 0JY | 54.62916100 | -5.54093000 | 6 | 21 | 171547 | 531766 |
| BT21 0JZ | 54.62829400 | -5.54068800 | 41 | 146 | 171557 | 531669 |
| BT21 0LA | 54.63257400 | -5.53378400 | 36 | 100 | 172027 | 532122 |
| BT21 0LB | 54.63262500 | -5.53274400 | 30 | 63 | 172094 | 532124 |
| BT21 0LD | 54.63587700 | -5.53356900 | 17 | 34 | 172059 | 532489 |
| BT21 0LE | 54.63436400 | -5.53386200 | 3 | 58 | 172032 | 532321 |