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 0UB | 51.56322100 | -0.40052400 | 42 | 117 | 510967 | 186139 |
| HA4 0UD | 51.56185500 | -0.39921600 | 34 | 90 | 511061 | 185989 |
| HA4 0UE | 51.56183700 | -0.39848800 | 24 | 63 | 511111 | 185988 |
| HA4 0UF | 51.56275700 | -0.39811600 | 18 | 48 | 511135 | 186091 |
| HA4 0UG | 51.56355800 | -0.39622700 | 26 | 69 | 511264 | 186183 |
| HA4 0UH | 51.56485400 | -0.39631100 | 38 | 108 | 511255 | 186327 |
| HA4 0UJ | 51.56500100 | -0.39718600 | 32 | 79 | 511194 | 186342 |
| HA4 0UL | 51.56486300 | -0.39760900 | 35 | 92 | 511165 | 186326 |
| HA4 0UN | 51.56354400 | -0.39704300 | 12 | 28 | 511207 | 186180 |
| HA4 0UP | 51.56413700 | -0.39844300 | 26 | 70 | 511109 | 186244 |
| HA4 0UQ | 51.56495700 | -0.39588900 | 35 | 97 | 511284 | 186339 |
| HA4 0UR | 51.56313300 | -0.39801700 | 10 | 29 | 511141 | 186133 |
| HA4 0UT | 51.56378800 | -0.39922000 | 25 | 72 | 511056 | 186204 |
| HA4 0UU | 51.56352500 | -0.39967600 | 24 | 80 | 511025 | 186174 |
| HA4 0UW | 51.56446700 | -0.39820100 | 30 | 87 | 511125 | 186281 |
| HA4 0UX | 51.56264500 | -0.39915900 | 9 | 21 | 511063 | 186077 |
| HA4 0XT | 51.55625700 | -0.38431700 | N/A | N/A | 512107 | 185389 |
| HA4 0YP | 51.55521400 | -0.38710100 | N/A | N/A | 511917 | 185269 |
| HA4 0YS | 51.55393200 | -0.38669900 | N/A | N/A | 511948 | 185127 |
| HA4 4EJ | 51.57446600 | -0.41209200 | N/A | N/A | 510138 | 187372 |
| HA4 4FF | 51.57446600 | -0.41209200 | N/A | N/A | 510138 | 187372 |
| HA4 4GU | 51.57446600 | -0.41209200 | N/A | N/A | 510138 | 187372 |
| HA4 4JB | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4JE | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4JH | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4JR | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4JW | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4JX | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4LD | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4LE | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4LL | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4LR | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4LT | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4LU | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4ND | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4NE | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4NH | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 4NJ | 51.57446800 | -0.41207100 | N/A | N/A | 510139 | 187372 |
| HA4 6AA | 51.56881800 | -0.41059500 | 44 | 107 | 510255 | 186746 |
| HA4 6AB | 51.56858800 | -0.41098400 | 20 | 45 | 510229 | 186720 |
| HA4 6AD | 51.56977300 | -0.41200400 | 6 | 14 | 510155 | 186850 |
| HA4 6AE | 51.57044500 | -0.41203000 | 6 | 17 | 510152 | 186925 |
| HA4 6AF | 51.57108100 | -0.41313400 | 21 | 45 | 510074 | 186994 |
| HA4 6AG | 51.57025700 | -0.41275900 | 12 | 26 | 510102 | 186903 |
| HA4 6AH | 51.56925300 | -0.41497200 | 34 | 106 | 509951 | 186788 |
| HA4 6AJ | 51.56665200 | -0.41543800 | 42 | 131 | 509925 | 186498 |
| HA4 6AL | 51.56599600 | -0.41481100 | 12 | 40 | 509970 | 186426 |
| HA4 6AN | 51.56781400 | -0.41490700 | 39 | 119 | 509959 | 186628 |
| HA4 6AP | 51.57014400 | -0.41170900 | 4 | 14 | 510175 | 186892 |
| HA4 6AQ | 51.57093700 | -0.41383100 | 30 | 94 | 510026 | 186977 |