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 6UL | 51.55315100 | -0.39398200 | 21 | 56 | 511445 | 185029 |
| HA4 6UN | 51.55308000 | -0.39343700 | 24 | 66 | 511483 | 185022 |
| HA4 6UP | 51.55456700 | -0.39691800 | 18 | 45 | 511238 | 185182 |
| HA4 6UQ | 51.55437800 | -0.39430000 | 10 | 21 | 511420 | 185165 |
| HA4 6UT | 51.55408800 | -0.39673300 | 25 | 69 | 511252 | 185129 |
| HA4 6UW | 51.55246100 | -0.39348700 | 6 | 15 | 511481 | 184953 |
| HA4 6UX | 51.55349400 | -0.39803800 | 5 | 19 | 511163 | 185061 |
| HA4 6UY | 51.55325100 | -0.39738300 | 9 | 22 | 511209 | 185035 |
| HA4 6UZ | 51.55249500 | -0.39932800 | 27 | 61 | 511076 | 184948 |
| HA4 6XA | 51.55269800 | -0.39835400 | 5 | 14 | 511143 | 184972 |
| HA4 6XB | 51.55305400 | -0.39873100 | 8 | 12 | 511116 | 185011 |
| HA4 6XD | 51.55255200 | -0.40019100 | 3 | 3 | 511016 | 184953 |
| HA4 6XE | 51.55272500 | -0.39968000 | 3 | 6 | 511051 | 184973 |
| HA4 7AA | 51.57480000 | -0.42557400 | 11 | 24 | 509203 | 187389 |
| HA4 7AB | 51.57449300 | -0.42544000 | N/A | N/A | 509213 | 187355 |
| HA4 7AE | 51.57460900 | -0.42806300 | 14 | 34 | 509031 | 187364 |
| HA4 7AH | 51.57475900 | -0.43120300 | 6 | 19 | 508813 | 187376 |
| HA4 7AJ | 51.57502700 | -0.42773100 | 12 | 35 | 509053 | 187411 |
| HA4 7AN | 51.57589200 | -0.42653200 | 15 | 30 | 509134 | 187509 |
| HA4 7AQ | 51.57441200 | -0.43150400 | 5 | 18 | 508793 | 187337 |
| HA4 7AR | 51.57672900 | -0.42711700 | N/A | N/A | 509091 | 187601 |
| HA4 7AT | 51.57516400 | -0.42587900 | N/A | N/A | 509181 | 187429 |
| HA4 7AU | 51.57634000 | -0.42641500 | 1 | 3 | 509141 | 187559 |
| HA4 7AW | 51.57653800 | -0.42705800 | N/A | N/A | 509096 | 187580 |
| HA4 7AY | 51.58256300 | -0.43858400 | 25 | 68 | 508283 | 188233 |
| HA4 7AZ | 51.58310700 | -0.43891200 | 12 | 31 | 508259 | 188293 |
| HA4 7BA | 51.57422900 | -0.42588200 | 43 | 74 | 509183 | 187325 |
| HA4 7BD | 51.57520300 | -0.42529400 | 8 | 10 | 509221 | 187434 |
| HA4 7BE | 51.58292300 | -0.43994300 | 26 | 66 | 508188 | 188271 |
| HA4 7BH | 51.58490300 | -0.43265800 | 7 | 20 | 508688 | 188502 |
| HA4 7BJ | 51.57576700 | -0.42725800 | N/A | N/A | 509084 | 187494 |
| HA4 7BP | 51.57422400 | -0.42822000 | 11 | 26 | 509021 | 187321 |
| HA4 7BS | 51.57406500 | -0.42772100 | 19 | 37 | 509056 | 187304 |
| HA4 7BT | 51.57406000 | -0.42536800 | 5 | 12 | 509219 | 187307 |
| HA4 7BU | 51.57357400 | -0.42532800 | 14 | 41 | 509223 | 187253 |
| HA4 7BX | 51.57377400 | -0.42747100 | 20 | 51 | 509074 | 187272 |
| HA4 7BY | 51.57412600 | -0.42626100 | 8 | 8 | 509157 | 187313 |
| HA4 7BZ | 51.57301900 | -0.42883900 | 25 | 100 | 508981 | 187186 |
| HA4 7DA | 51.57250300 | -0.42660600 | 34 | 93 | 509137 | 187132 |
| HA4 7DB | 51.57186700 | -0.42277500 | 5 | 8 | 509404 | 187067 |
| HA4 7DD | 51.57206200 | -0.42709100 | 31 | 85 | 509104 | 187082 |
| HA4 7DF | 51.57183600 | -0.43120300 | N/A | N/A | 508820 | 187051 |
| HA4 7DG | 51.57236300 | -0.43294500 | 10 | 18 | 508698 | 187107 |
| HA4 7DH | 51.57107800 | -0.43502400 | 1 | 1 | 508557 | 186961 |
| HA4 7DJ | 51.57022000 | -0.43470700 | 31 | 79 | 508581 | 186866 |
| HA4 7DL | 51.57050100 | -0.43609100 | 2 | 72 | 508484 | 186895 |
| HA4 7DN | 51.57092200 | -0.43529700 | 9 | 15 | 508538 | 186943 |
| HA4 7DP | 51.57005200 | -0.43697800 | N/A | N/A | 508424 | 186844 |
| HA4 7DQ | 51.57204900 | -0.43299900 | 11 | 38 | 508695 | 187072 |
| HA4 7DR | 51.57285600 | -0.43144200 | N/A | N/A | 508801 | 187164 |