HA4 is a postcode district in Hillingdon, UK. Below is a complete list of HA4 Postcodes (Active). HA4 postcode district comprises of 1145 active postcodes and 6 postcode sectors. HA4 district has a population of 50128, and it has 19453 properties in the region.
| Population | 50128 |
| Addresses / Property Count | 19453 |
| Active Postcodes | 1145 |
| Nearby Postcode Districts | 9 |
| Active Postcode Sectors | 6 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| HA4 8RN | 51.57963300 | -0.40503600 | 4 | 4 | 510614 | 187957 |
| HA4 8RQ | 51.57590000 | -0.40576500 | 32 | 78 | 510573 | 187541 |
| HA4 8RW | 51.58066500 | -0.40509300 | 36 | 82 | 510608 | 188072 |
| HA4 8RX | 51.58129400 | -0.40699000 | 47 | 108 | 510475 | 188139 |
| HA4 8RY | 51.57821900 | -0.40373500 | 41 | 103 | 510708 | 187802 |
| HA4 8RZ | 51.57686500 | -0.40600500 | 28 | 72 | 510554 | 187648 |
| HA4 8SA | 51.57656500 | -0.40574200 | 29 | 71 | 510573 | 187615 |
| HA4 8SB | 51.57751500 | -0.40953300 | 37 | 100 | 510308 | 187715 |
| HA4 8SD | 51.57707100 | -0.40990900 | 27 | 63 | 510283 | 187665 |
| HA4 8SL | 51.57726600 | -0.40047800 | 17 | 40 | 510936 | 187701 |
| HA4 8SN | 51.57757100 | -0.40101600 | 17 | 64 | 510898 | 187734 |
| HA4 8SP | 51.57803900 | -0.40307800 | 38 | 74 | 510754 | 187783 |
| HA4 8SR | 51.58039300 | -0.40423600 | 20 | 51 | 510668 | 188043 |
| HA4 8SS | 51.57854800 | -0.40281500 | 27 | 71 | 510771 | 187840 |
| HA4 8ST | 51.58069300 | -0.40383600 | 5 | 17 | 510695 | 188077 |
| HA4 8SU | 51.58116700 | -0.40165500 | 17 | 38 | 510845 | 188133 |
| HA4 8SW | 51.57791800 | -0.40145100 | 10 | 23 | 510867 | 187772 |
| HA4 8SX | 51.58158500 | -0.40325700 | 31 | 90 | 510733 | 188177 |
| HA4 8SY | 51.58053900 | -0.40112800 | 7 | 30 | 510883 | 188064 |
| HA4 8SZ | 51.57927300 | -0.40189400 | 25 | 77 | 510833 | 187922 |
| HA4 8TA | 51.57894500 | -0.40223800 | 36 | 96 | 510810 | 187885 |
| HA4 8TB | 51.58009500 | -0.40216900 | 13 | 33 | 510812 | 188013 |
| HA4 8TD | 51.58086400 | -0.40313700 | 8 | 23 | 510743 | 188097 |
| HA4 8TE | 51.58028300 | -0.40340300 | 14 | 42 | 510726 | 188032 |
| HA4 8TN | 51.57329900 | -0.41093500 | 16 | 36 | 510221 | 187244 |
| HA4 8TP | 51.57207000 | -0.40982400 | 19 | 48 | 510301 | 187109 |
| HA4 8TR | 51.57264500 | -0.40980400 | 4 | 11 | 510301 | 187173 |
| HA4 8TS | 51.57209100 | -0.40934700 | 5 | 14 | 510334 | 187112 |
| HA4 8TT | 51.57215000 | -0.40772900 | 35 | 84 | 510446 | 187121 |
| HA4 8TU | 51.57304400 | -0.40805800 | 34 | 78 | 510421 | 187220 |
| HA4 8TW | 51.57288500 | -0.41090600 | 20 | 62 | 510224 | 187198 |
| HA4 8TX | 51.57233600 | -0.40803300 | 49 | 125 | 510424 | 187141 |
| HA4 8TY | 51.57474500 | -0.40418900 | 34 | 70 | 510685 | 187415 |
| HA4 8TZ | 51.57354800 | -0.40870400 | 42 | 100 | 510375 | 187275 |
| HA4 8UA | 51.57338900 | -0.40829100 | 38 | 99 | 510404 | 187258 |
| HA4 8UB | 51.57438900 | -0.40443200 | 29 | 60 | 510669 | 187375 |
| HA4 8UD | 51.57403000 | -0.40183300 | 12 | 22 | 510850 | 187339 |
| HA4 8UE | 51.57476600 | -0.40172000 | 5 | 9 | 510856 | 187421 |
| HA4 8UF | 51.57412600 | -0.40094900 | 14 | 37 | 510911 | 187351 |
| HA4 8UG | 51.57381300 | -0.40373100 | 38 | 106 | 510719 | 187312 |
| HA4 8UH | 51.57365400 | -0.40994200 | 8 | 16 | 510289 | 187285 |
| HA4 8UQ | 51.57412300 | -0.40402300 | 35 | 68 | 510698 | 187346 |
| HA4 8ZN | 51.57446600 | -0.41209200 | N/A | N/A | 510138 | 187372 |
| HA4 9AA | 51.57344200 | -0.41286400 | 6 | 16 | 510087 | 187257 |
| HA4 9AB | 51.57269900 | -0.41241400 | 11 | 26 | 510120 | 187175 |
| HA4 9AD | 51.57163400 | -0.41084900 | 22 | 54 | 510231 | 187059 |
| HA4 9AE | 51.57177300 | -0.41046900 | 24 | 66 | 510257 | 187075 |
| HA4 9AF | 51.57030000 | -0.40927900 | 17 | 40 | 510343 | 186913 |
| HA4 9AG | 51.56932400 | -0.40891000 | 45 | 128 | 510371 | 186805 |
| HA4 9AH | 51.56848800 | -0.40756800 | 14 | 37 | 510466 | 186714 |