BT20 4 is a postcode sector in Ards and North Down, UK. Below is a complete list of BT20 4 Postcodes (Active). BT20 4 postcode sector comprises of 235 active postcodes. BT20 4 sector has a population of 8113, and it has 3686 properties in the region.
| Population | 8113 |
| Addresses / Property Count | 3686 |
| Active Postcodes | 235 |
| Nearby Postcode Districts | 81 |
| Nearby Postcode Sectors | 3 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| BT20 4UF | 54.65239300 | -5.64921200 | 8 | 21 | 164695 | 534707 |
| BT20 4UG | 54.65207300 | -5.65538300 | 20 | 52 | 164295 | 534692 |
| BT20 4UH | 54.65510600 | -5.65984200 | 11 | 24 | 164025 | 535044 |
| BT20 4UJ | 54.65512900 | -5.65872500 | 12 | 30 | 164098 | 535043 |
| BT20 4UL | 54.65447300 | -5.65918100 | 7 | 14 | 164064 | 534972 |
| BT20 4UN | 54.65364100 | -5.66028300 | 12 | 25 | 163988 | 534883 |
| BT20 4UP | 54.65250400 | -5.65955800 | 10 | 19 | 164029 | 534754 |
| BT20 4UQ | 54.65075500 | -5.65462200 | 9 | 21 | 164337 | 534543 |
| BT20 4UR | 54.65142000 | -5.66110800 | 5 | 39 | 163922 | 534639 |
| BT20 4US | 54.65239200 | -5.65702300 | 23 | 59 | 164191 | 534733 |
| BT20 4UT | 54.65208600 | -5.66209200 | 19 | 47 | 163863 | 534716 |
| BT20 4UU | 54.65222300 | -5.65896900 | 61 | 140 | 164065 | 534721 |
| BT20 4UW | 54.65343500 | -5.65983000 | 19 | 41 | 164016 | 534859 |
| BT20 4UX | 54.65141400 | -5.65663000 | 24 | 52 | 164211 | 534623 |
| BT20 4UY | 54.65266900 | -5.65789000 | 30 | 68 | 164137 | 534767 |
| BT20 4UZ | 54.65034600 | -5.66089000 | 7 | 15 | 163930 | 534519 |
| BT20 4WG | 54.65264500 | -5.64829900 | N/A | N/A | 164755 | 534732 |
| BT20 4WH | 54.65515400 | -5.66093900 | N/A | N/A | 163955 | 535053 |
| BT20 4XA | 54.64943100 | -5.66095800 | 12 | 25 | 163920 | 534417 |
| BT20 4XB | 54.64841400 | -5.66275200 | 42 | 78 | 163799 | 534310 |
| BT20 4XD | 54.64902900 | -5.66343000 | 27 | 41 | 163759 | 534381 |
| BT20 4XE | 54.64832200 | -5.66449300 | 44 | 101 | 163686 | 534306 |
| BT20 4XF | 54.64728400 | -5.66520300 | 25 | 52 | 163634 | 534193 |
| BT20 4XG | 54.64779800 | -5.66433700 | 27 | 41 | 163693 | 534247 |
| BT20 4XH | 54.64710100 | -5.66408300 | 6 | 9 | 163705 | 534169 |
| BT20 4XJ | 54.64747300 | -5.66564200 | 19 | 49 | 163607 | 534215 |
| BT20 4XL | 54.65071200 | -5.65425300 | 42 | 112 | 164360 | 534537 |
| BT20 4XN | 54.64912500 | -5.66141000 | N/A | N/A | 163890 | 534385 |
| BT20 4XP | 54.65491400 | -5.65593200 | 8 | 13 | 164276 | 535010 |
| BT20 4XQ | 54.64745400 | -5.66327200 | 12 | 26 | 163760 | 534205 |
| BT20 4XR | 54.64845000 | -5.66087500 | N/A | N/A | 163920 | 534308 |
| BT20 4XT | 54.65089600 | -5.65259900 | 15 | 40 | 164468 | 534552 |
| BT20 4XX | 54.65152400 | -5.65349300 | N/A | N/A | 164414 | 534625 |
| BT20 4XY | 54.66157100 | -5.66005900 | 65 | 79 | 164049 | 535764 |
| BT20 4XZ | 54.66157100 | -5.66005900 | 36 | 37 | 164049 | 535764 |