AL7 4 is a postcode sector in Welwyn Hatfield, UK. Below is a complete list of AL7 4 Postcodes (Active). AL7 4 postcode sector comprises of 241 active postcodes. AL7 4 sector has a population of 10409, and it has 4200 properties in the region.
| Population | 10409 |
| Addresses / Property Count | 4200 |
| Active Postcodes | 241 |
| Nearby Postcode Districts | 9 |
| Nearby Postcode Sectors | 4 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| AL7 4NR | 51.78791300 | -0.19567900 | 13 | 39 | 524548 | 211457 |
| AL7 4NS | 51.78799500 | -0.19395000 | 18 | 47 | 524667 | 211469 |
| AL7 4NT | 51.78881500 | -0.19468600 | 10 | 23 | 524614 | 211559 |
| AL7 4NU | 51.78874600 | -0.19353900 | 19 | 46 | 524693 | 211553 |
| AL7 4NW | 51.78861100 | -0.19599900 | 25 | 73 | 524524 | 211534 |
| AL7 4NX | 51.78772000 | -0.19365700 | 26 | 63 | 524688 | 211439 |
| AL7 4NZ | 51.78683600 | -0.19463500 | 12 | 18 | 524623 | 211339 |
| AL7 4PA | 51.79129000 | -0.19230700 | 30 | 44 | 524771 | 211838 |
| AL7 4PH | 51.78892400 | -0.17945300 | N/A | N/A | 525664 | 211597 |
| AL7 4PJ | 51.78968900 | -0.18077400 | 13 | 39 | 525571 | 211680 |
| AL7 4PL | 51.78932000 | -0.18180100 | N/A | N/A | 525501 | 211637 |
| AL7 4PN | 51.78911200 | -0.18184200 | 1 | 2 | 525499 | 211614 |
| AL7 4PP | 51.78823200 | -0.18136900 | 25 | 61 | 525534 | 211517 |
| AL7 4PQ | 51.78926800 | -0.17797800 | 8 | 24 | 525765 | 211638 |
| AL7 4PR | 51.78832300 | -0.17894100 | 25 | 63 | 525701 | 211531 |
| AL7 4PS | 51.78804300 | -0.17901400 | 13 | 33 | 525697 | 211500 |
| AL7 4PT | 51.78782200 | -0.17866000 | 23 | 62 | 525722 | 211476 |
| AL7 4PW | 51.78872500 | -0.18068300 | 3 | 9 | 525580 | 211573 |
| AL7 4PX | 51.78831500 | -0.18247900 | 17 | 37 | 525457 | 211524 |
| AL7 4PY | 51.78743100 | -0.18186600 | 11 | 29 | 525502 | 211427 |
| AL7 4PZ | 51.78735600 | -0.18052000 | 20 | 54 | 525595 | 211421 |
| AL7 4QA | 51.78641400 | -0.18182000 | 10 | 27 | 525508 | 211314 |
| AL7 4QB | 51.78695400 | -0.18127600 | 14 | 29 | 525544 | 211375 |
| AL7 4QD | 51.78627700 | -0.18227500 | 18 | 42 | 525477 | 211298 |
| AL7 4QE | 51.78748000 | -0.18390800 | 11 | 29 | 525361 | 211429 |
| AL7 4QF | 51.78798600 | -0.18348200 | 11 | 30 | 525389 | 211486 |
| AL7 4QG | 51.78635200 | -0.18538900 | 12 | 27 | 525262 | 211301 |
| AL7 4QH | 51.78556200 | -0.18604400 | 16 | 40 | 525219 | 211212 |
| AL7 4QJ | 51.78611100 | -0.18490600 | 5 | 9 | 525296 | 211275 |
| AL7 4QL | 51.78550700 | -0.18484300 | 16 | 49 | 525302 | 211208 |
| AL7 4QQ | 51.78602100 | -0.18666400 | 2 | 6 | 525175 | 211262 |
| AL7 4QY | 51.78664100 | -0.20891000 | N/A | N/A | 523639 | 211293 |
| AL7 4RA | 51.78798100 | -0.17675400 | 37 | 106 | 525853 | 211497 |
| AL7 4RB | 51.78999600 | -0.17680300 | 10 | 33 | 525844 | 211721 |
| AL7 4RD | 51.78981800 | -0.17749200 | 9 | 19 | 525797 | 211700 |
| AL7 4RE | 51.78860900 | -0.17726500 | 14 | 36 | 525816 | 211566 |
| AL7 4RF | 51.78736600 | -0.17766300 | 15 | 33 | 525792 | 211427 |
| AL7 4RG | 51.78607700 | -0.17964000 | 25 | 59 | 525659 | 211280 |
| AL7 4RH | 51.78439200 | -0.18542400 | 23 | 59 | 525265 | 211083 |
| AL7 4RJ | 51.78391000 | -0.18508100 | 32 | 91 | 525290 | 211030 |
| AL7 4RL | 51.78538800 | -0.17985600 | 39 | 94 | 525646 | 211203 |
| AL7 4RN | 51.78684400 | -0.17637600 | 12 | 17 | 525882 | 211371 |
| AL7 4RP | 51.78575400 | -0.17697400 | 18 | 57 | 525844 | 211249 |
| AL7 4RQ | 51.78541200 | -0.18159900 | 3 | 8 | 525526 | 211203 |
| AL7 4RR | 51.78557500 | -0.17757600 | 24 | 69 | 525803 | 211228 |
| AL7 4RS | 51.78463900 | -0.17873000 | 9 | 35 | 525726 | 211122 |
| AL7 4RT | 51.78500400 | -0.17903500 | 18 | 58 | 525704 | 211162 |
| AL7 4RU | 51.78437000 | -0.17743300 | N/A | N/A | 525816 | 211094 |
| AL7 4RW | 51.78648200 | -0.17694500 | 6 | 14 | 525844 | 211330 |
| AL7 4RX | 51.78485000 | -0.17953400 | 18 | 57 | 525670 | 211144 |