HP4 is a postcode district in Dacorum, UK. Below is a complete list of HP4 Postcodes (Active). HP4 postcode district comprises of 745 active postcodes and 4 postcode sectors. HP4 district has a population of 23922, and it has 10105 properties in the region.
| Population | 23922 |
| Addresses / Property Count | 10105 |
| Active Postcodes | 745 |
| Nearby Postcode Districts | 23 |
| Active Postcode Sectors | 4 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| HP4 3AF | 51.75880200 | -0.56309200 | 4 | 7 | 499271 | 207656 |
| HP4 3AG | 51.75844800 | -0.56350900 | 1 | 2 | 499243 | 207616 |
| HP4 3AH | 51.75338500 | -0.56419100 | N/A | N/A | 499207 | 207052 |
| HP4 3AJ | 51.75517200 | -0.56772800 | 11 | 34 | 498959 | 207246 |
| HP4 3AL | 51.75920900 | -0.56323900 | 18 | 24 | 499260 | 207701 |
| HP4 3AN | 51.75753700 | -0.56475500 | 11 | 18 | 499159 | 207513 |
| HP4 3AP | 51.76061500 | -0.56440300 | N/A | N/A | 499177 | 207856 |
| HP4 3AQ | 51.76725000 | -0.58659700 | 8 | 20 | 497631 | 208564 |
| HP4 3AR | 51.75790500 | -0.58998400 | 4 | 10 | 497417 | 207520 |
| HP4 3AS | 51.75937100 | -0.56475500 | N/A | N/A | 499155 | 207717 |
| HP4 3AT | 51.75996700 | -0.56288800 | 4 | 7 | 499283 | 207786 |
| HP4 3AU | 51.76626000 | -0.58352600 | N/A | N/A | 497845 | 208458 |
| HP4 3AW | 51.75777800 | -0.56458800 | 5 | 6 | 499170 | 207540 |
| HP4 3AX | 51.76700500 | -0.58635800 | 15 | 43 | 497648 | 208537 |
| HP4 3AY | 51.75728200 | -0.56522700 | 14 | 24 | 499127 | 207484 |
| HP4 3AZ | 51.75859800 | -0.56401200 | 16 | 29 | 499208 | 207632 |
| HP4 3BA | 51.76070300 | -0.56487200 | N/A | N/A | 499144 | 207865 |
| HP4 3BB | 51.75557800 | -0.57301800 | 5 | 14 | 498593 | 207284 |
| HP4 3BD | 51.75972700 | -0.56605400 | 20 | 58 | 499065 | 207755 |
| HP4 3BE | 51.76801900 | -0.61107900 | N/A | N/A | 495940 | 208617 |
| HP4 3BF | 51.75948600 | -0.58846200 | N/A | N/A | 497519 | 207698 |
| HP4 3BG | 51.75769000 | -0.56782800 | N/A | N/A | 498947 | 207526 |
| HP4 3BH | 51.75720800 | -0.57095200 | 15 | 48 | 498732 | 207468 |
| HP4 3BJ | 51.75634400 | -0.57238500 | 20 | 60 | 498635 | 207370 |
| HP4 3BL | 51.75574000 | -0.57164200 | 12 | 34 | 498688 | 207304 |
| HP4 3BN | 51.75595000 | -0.56958700 | 28 | 75 | 498829 | 207330 |
| HP4 3BP | 51.75444300 | -0.57580600 | 40 | 125 | 498403 | 207154 |
| HP4 3BQ | 51.75926400 | -0.56557000 | 19 | 45 | 499099 | 207704 |
| HP4 3BS | 51.75543800 | -0.57629600 | 25 | 63 | 498367 | 207264 |
| HP4 3BT | 51.75668800 | -0.56597000 | 10 | 27 | 499077 | 207417 |
| HP4 3BU | 51.75580800 | -0.56822900 | 6 | 19 | 498923 | 207316 |
| HP4 3BW | 51.75450900 | -0.57231300 | 24 | 63 | 498644 | 207166 |
| HP4 3BX | 51.75376800 | -0.57350900 | 9 | 20 | 498563 | 207082 |
| HP4 3BZ | 51.75774900 | -0.57258700 | 3 | 6 | 498618 | 207526 |
| HP4 3DA | 51.76078200 | -0.56834700 | 14 | 34 | 498904 | 207869 |
| HP4 3DB | 51.76073700 | -0.56908800 | 9 | 26 | 498853 | 207863 |
| HP4 3DD | 51.76037000 | -0.56775200 | 13 | 30 | 498946 | 207824 |
| HP4 3DE | 51.76007700 | -0.56881900 | 19 | 50 | 498873 | 207790 |
| HP4 3DF | 51.75970800 | -0.56806200 | 11 | 40 | 498926 | 207750 |
| HP4 3DG | 51.75982300 | -0.56934800 | 19 | 58 | 498837 | 207761 |
| HP4 3DH | 51.76073000 | -0.57218900 | 21 | 70 | 498639 | 207858 |
| HP4 3DJ | 51.76138100 | -0.57325500 | 25 | 64 | 498564 | 207929 |
| HP4 3DN | 51.75941300 | -0.56814400 | 12 | 18 | 498921 | 207717 |
| HP4 3DP | 51.75960800 | -0.58889300 | N/A | N/A | 497489 | 207711 |
| HP4 3DQ | 51.76022800 | -0.57088600 | 4 | 14 | 498730 | 207804 |
| HP4 3DR | 51.75778800 | -0.57135400 | 22 | 57 | 498703 | 207532 |
| HP4 3DS | 51.75947500 | -0.57035900 | 25 | 73 | 498768 | 207721 |
| HP4 3DT | 51.75999000 | -0.57048800 | 5 | 16 | 498758 | 207778 |
| HP4 3DU | 51.75975600 | -0.57201700 | 34 | 96 | 498653 | 207750 |
| HP4 3DW | 51.75871900 | -0.56952800 | 29 | 73 | 498827 | 207638 |