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 0EF | 51.56153200 | -0.40116800 | 43 | 127 | 510926 | 185950 |
| HA4 0EG | 51.56023700 | -0.39930100 | 3 | 9 | 511059 | 185809 |
| HA4 0EH | 51.56086500 | -0.40100400 | 17 | 49 | 510939 | 185876 |
| HA4 0EJ | 51.55998200 | -0.40289600 | 28 | 67 | 510810 | 185775 |
| HA4 0EL | 51.55644000 | -0.38666800 | N/A | N/A | 511944 | 185406 |
| HA4 0EP | 51.56163400 | -0.40213800 | 11 | 33 | 510859 | 185960 |
| HA4 0EQ | 51.55879600 | -0.39711600 | 17 | 39 | 511214 | 185652 |
| HA4 0ER | 51.56113900 | -0.40348200 | 28 | 66 | 510767 | 185903 |
| HA4 0ES | 51.56119100 | -0.40395600 | 28 | 66 | 510734 | 185908 |
| HA4 0ET | 51.56227600 | -0.40306700 | 9 | 19 | 510793 | 186030 |
| HA4 0EU | 51.55932600 | -0.39908800 | 20 | 38 | 511076 | 185708 |
| HA4 0EW | 51.56051800 | -0.40145500 | 26 | 64 | 510909 | 185837 |
| HA4 0EX | 51.55895000 | -0.39855300 | 18 | 41 | 511114 | 185667 |
| HA4 0EY | 51.55855600 | -0.39799000 | 18 | 40 | 511154 | 185624 |
| HA4 0EZ | 51.55853800 | -0.39669200 | 11 | 19 | 511244 | 185624 |
| HA4 0FF | 51.55793000 | -0.39815000 | N/A | N/A | 511144 | 185554 |
| HA4 0FY | 51.55907100 | -0.40005700 | N/A | N/A | 511009 | 185678 |
| HA4 0GD | 51.55857400 | -0.39856000 | N/A | N/A | 511114 | 185625 |
| HA4 0GE | 51.55707300 | -0.39466000 | N/A | N/A | 511388 | 185464 |
| HA4 0GF | 51.55681300 | -0.39409200 | N/A | N/A | 511428 | 185436 |
| HA4 0GH | 51.55625700 | -0.38431700 | N/A | N/A | 512107 | 185389 |
| HA4 0HA | 51.55834400 | -0.39628100 | 9 | 20 | 511273 | 185603 |
| HA4 0HB | 51.55806200 | -0.39606000 | 8 | 15 | 511289 | 185572 |
| HA4 0HD | 51.55806500 | -0.39695400 | 19 | 58 | 511227 | 185571 |
| HA4 0HG | 51.55751200 | -0.39718300 | 14 | 44 | 511212 | 185509 |
| HA4 0HH | 51.55705700 | -0.39687400 | N/A | N/A | 511235 | 185459 |
| HA4 0HJ | 51.55774000 | -0.39550800 | 6 | 11 | 511328 | 185537 |
| HA4 0HL | 51.55960900 | -0.39150400 | 32 | 97 | 511601 | 185751 |
| HA4 0HN | 51.55844600 | -0.39446700 | 26 | 77 | 511398 | 185617 |
| HA4 0HP | 51.55945800 | -0.39292300 | 31 | 81 | 511503 | 185732 |
| HA4 0HQ | 51.55707500 | -0.39623900 | N/A | N/A | 511279 | 185462 |
| HA4 0HR | 51.56028300 | -0.39083100 | 13 | 41 | 511646 | 185827 |
| HA4 0HS | 51.56056300 | -0.38829700 | 17 | 43 | 511821 | 185862 |
| HA4 0HT | 51.56242800 | -0.38525900 | 42 | 124 | 512027 | 186074 |
| HA4 0HU | 51.56084900 | -0.38948400 | 16 | 48 | 511738 | 185892 |
| HA4 0HW | 51.55890200 | -0.39438600 | 4 | 12 | 511403 | 185668 |
| HA4 0HX | 51.56183800 | -0.38944900 | 25 | 86 | 511738 | 186002 |
| HA4 0HY | 51.56209300 | -0.38708900 | 35 | 96 | 511901 | 186034 |
| HA4 0HZ | 51.56311300 | -0.38471500 | 19 | 58 | 512063 | 186151 |
| HA4 0JA | 51.55726200 | -0.38301800 | N/A | N/A | 512195 | 185503 |
| HA4 0JB | 51.55810400 | -0.39585600 | 4 | 8 | 511303 | 185577 |
| HA4 0JD | 51.55828200 | -0.39570600 | 12 | 25 | 511313 | 185597 |
| HA4 0JE | 51.55738200 | -0.39503100 | N/A | N/A | 511362 | 185498 |
| HA4 0JH | 51.55942400 | -0.38193200 | 31 | 76 | 512265 | 185745 |
| HA4 0JJ | 51.55843300 | -0.38509700 | 58 | 116 | 512048 | 185630 |
| HA4 0JP | 51.55549800 | -0.38550400 | N/A | N/A | 512027 | 185303 |
| HA4 0JQ | 51.55769500 | -0.38503700 | N/A | N/A | 512054 | 185548 |
| HA4 0JS | 51.55721200 | -0.38253700 | N/A | N/A | 512228 | 185498 |
| HA4 0JW | 51.55647100 | -0.38301800 | N/A | N/A | 512197 | 185415 |
| HA4 0LJ | 51.55724500 | -0.38565900 | N/A | N/A | 512012 | 185497 |