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 4EW | 54.64749000 | -5.67309400 | 5 | 20 | 163127 | 534242 |
| BT20 4EX | 54.64695900 | -5.66697300 | 12 | 23 | 163518 | 534163 |
| BT20 4EY | 54.64689900 | -5.66756500 | 26 | 67 | 163480 | 534158 |
| BT20 4EZ | 54.64672000 | -5.66903200 | 22 | 54 | 163384 | 534143 |
| BT20 4HA | 54.64664000 | -5.67001300 | 21 | 54 | 163320 | 534137 |
| BT20 4HB | 54.64656000 | -5.67097800 | 20 | 52 | 163258 | 534132 |
| BT20 4HD | 54.66052900 | -5.66799300 | N/A | N/A | 163531 | 535675 |
| BT20 4HP | 54.64742300 | -5.67520500 | 6 | 16 | 162990 | 534242 |
| BT20 4HR | 54.64711700 | -5.67612100 | 5 | 9 | 162929 | 534211 |
| BT20 4HS | 54.64626400 | -5.67522500 | 6 | 16 | 162982 | 534113 |
| BT20 4JA | 54.65777000 | -5.67215000 | N/A | N/A | 163247 | 535382 |
| BT20 4JB | 54.65703900 | -5.67386500 | 5 | 8 | 163133 | 535307 |
| BT20 4JD | 54.65716600 | -5.67533000 | 45 | 60 | 163039 | 535326 |
| BT20 4JE | 54.65661300 | -5.67416800 | N/A | N/A | 163111 | 535260 |
| BT20 4JF | 54.65624400 | -5.67411200 | N/A | N/A | 163112 | 535219 |
| BT20 4JH | 54.65258200 | -5.66407800 | N/A | N/A | 163738 | 534778 |
| BT20 4JP | 54.66083800 | -5.66676600 | N/A | N/A | 163612 | 535705 |
| BT20 4JS | 54.66005500 | -5.66578800 | 13 | 28 | 163671 | 535615 |
| BT20 4JT | 54.66001700 | -5.66521700 | 18 | 45 | 163707 | 535609 |
| BT20 4JU | 54.65994000 | -5.66446200 | 14 | 34 | 163756 | 535598 |
| BT20 4JX | 54.65928600 | -5.66457700 | N/A | N/A | 163744 | 535525 |
| BT20 4JY | 54.65918800 | -5.66371400 | 10 | 28 | 163799 | 535511 |
| BT20 4JZ | 54.66014900 | -5.66367500 | 7 | 17 | 163808 | 535618 |
| BT20 4LB | 54.65499000 | -5.67387400 | N/A | N/A | 163120 | 535079 |
| BT20 4LD | 54.65494300 | -5.67466700 | N/A | N/A | 163069 | 535076 |
| BT20 4LE | 54.66064800 | -5.66435900 | 5 | 10 | 163766 | 535676 |
| BT20 4LF | 54.66089200 | -5.66539900 | 6 | 7 | 163701 | 535707 |
| BT20 4LG | 54.66131700 | -5.66084900 | 6 | 12 | 163997 | 535739 |
| BT20 4LH | 54.66100200 | -5.66130100 | N/A | N/A | 163966 | 535705 |
| BT20 4LJ | 54.66195700 | -5.65865700 | N/A | N/A | 164142 | 535802 |
| BT20 4LL | 54.66090600 | -5.66566200 | N/A | N/A | 163684 | 535709 |
| BT20 4LN | 54.66210400 | -5.66023000 | 16 | 40 | 164041 | 535824 |
| BT20 4LQ | 54.66195700 | -5.65865700 | N/A | N/A | 164142 | 535802 |
| BT20 4LW | 54.65634400 | -5.63658600 | 19 | 47 | 165532 | 535104 |
| BT20 4LX | 54.65761300 | -5.66262700 | 17 | 24 | 163860 | 535333 |
| BT20 4LY | 54.66060200 | -5.65225600 | 11 | 34 | 164546 | 535630 |
| BT20 4LZ | 54.66115300 | -5.65101600 | 4 | 9 | 164629 | 535687 |
| BT20 4NA | 54.66008900 | -5.64986800 | 37 | 82 | 164697 | 535565 |
| BT20 4NB | 54.65785500 | -5.64866400 | 8 | 19 | 164762 | 535313 |
| BT20 4ND | 54.65915200 | -5.64792300 | 10 | 31 | 164817 | 535454 |
| BT20 4NE | 54.65867300 | -5.64681900 | 20 | 53 | 164886 | 535397 |
| BT20 4NF | 54.65690100 | -5.64766600 | 36 | 91 | 164821 | 535203 |
| BT20 4NG | 54.65710900 | -5.64681700 | 21 | 60 | 164877 | 535223 |
| BT20 4NH | 54.66070700 | -5.64837600 | 21 | 54 | 164797 | 535629 |
| BT20 4NJ | 54.66114200 | -5.64904800 | 7 | 17 | 164756 | 535679 |
| BT20 4NL | 54.66082700 | -5.64717500 | N/A | N/A | 164875 | 535638 |
| BT20 4NN | 54.65982400 | -5.64549700 | 14 | 17 | 164978 | 535521 |
| BT20 4NP | 54.65721000 | -5.64555500 | 34 | 83 | 164959 | 535230 |
| BT20 4NQ | 54.65986100 | -5.64833100 | 38 | 99 | 164795 | 535535 |
| BT20 4NR | 54.65669000 | -5.64419100 | 21 | 50 | 165044 | 535168 |