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 4RY | 51.78426300 | -0.17999200 | 5 | 9 | 525640 | 211078 |
| AL7 4RZ | 51.78368300 | -0.18140800 | 32 | 74 | 525544 | 211011 |
| AL7 4SA | 51.78444100 | -0.18102900 | 19 | 63 | 525568 | 211096 |
| AL7 4SB | 51.78418600 | -0.18196700 | 15 | 31 | 525504 | 211066 |
| AL7 4SD | 51.78554800 | -0.18327200 | 24 | 44 | 525410 | 211215 |
| AL7 4SE | 51.78343000 | -0.17959100 | N/A | N/A | 525670 | 210986 |
| AL7 4SG | 51.78508500 | -0.20463200 | 45 | 80 | 523938 | 211127 |
| AL7 4SH | 51.78523300 | -0.20546700 | 56 | 109 | 523880 | 211142 |
| AL7 4SJ | 51.79113200 | -0.20448300 | 17 | 34 | 523932 | 211800 |
| AL7 4SL | 51.79035200 | -0.20460100 | 3 | 7 | 523926 | 211713 |
| AL7 4SN | 51.79060800 | -0.20535500 | N/A | N/A | 523873 | 211740 |
| AL7 4SP | 51.79064200 | -0.20696300 | N/A | N/A | 523762 | 211741 |
| AL7 4SQ | 51.78570400 | -0.20921800 | 69 | 183 | 523620 | 211188 |
| AL7 4SR | 51.78975100 | -0.20752100 | 1 | 4 | 523726 | 211641 |
| AL7 4SS | 51.78914800 | -0.20692100 | N/A | N/A | 523769 | 211575 |
| AL7 4ST | 51.78938300 | -0.20594500 | N/A | N/A | 523836 | 211603 |
| AL7 4SU | 51.78984300 | -0.20527000 | N/A | N/A | 523881 | 211655 |
| AL7 4SW | 51.79074200 | -0.20530600 | N/A | N/A | 523876 | 211755 |
| AL7 4SX | 51.78494500 | -0.20840700 | 73 | 174 | 523678 | 211105 |
| AL7 4SY | 51.78596300 | -0.21031000 | 62 | 131 | 523544 | 211215 |
| AL7 4SZ | 51.79000100 | -0.20461500 | 3 | 10 | 523926 | 211674 |
| AL7 4TA | 51.78929100 | -0.20458500 | 15 | 40 | 523930 | 211595 |
| AL7 4TB | 51.78906000 | -0.20757700 | N/A | N/A | 523724 | 211564 |
| AL7 4TD | 51.78893500 | -0.20251100 | 12 | 33 | 524074 | 211559 |
| AL7 4TE | 51.78917400 | -0.20332400 | 28 | 70 | 524017 | 211584 |
| AL7 4TF | 51.78991000 | -0.20083000 | 50 | 71 | 524187 | 211670 |
| AL7 4TG | 51.78871000 | -0.20133100 | 35 | 91 | 524156 | 211536 |
| AL7 4TH | 51.78879100 | -0.20012500 | 16 | 43 | 524239 | 211547 |
| AL7 4TJ | 51.78878500 | -0.19858800 | 31 | 97 | 524345 | 211549 |
| AL7 4TL | 51.78745100 | -0.19781400 | 10 | 26 | 524402 | 211402 |
| AL7 4TN | 51.78715900 | -0.19808700 | 14 | 30 | 524384 | 211369 |
| AL7 4TP | 51.78836200 | -0.19972100 | 9 | 24 | 524268 | 211500 |
| AL7 4TQ | 51.78948300 | -0.20054200 | 12 | 34 | 524208 | 211623 |
| AL7 4TR | 51.78885000 | -0.19913200 | 16 | 45 | 524307 | 211555 |
| AL7 4TS | 51.79009100 | -0.19927500 | 2 | 4 | 524294 | 211693 |
| AL7 4TT | 51.78542500 | -0.20980900 | 50 | 110 | 523580 | 211156 |
| AL7 4TU | 51.78603900 | -0.20759500 | 32 | 62 | 523731 | 211228 |
| AL7 4TW | 51.78934900 | -0.20884200 | N/A | N/A | 523636 | 211594 |
| AL7 4TX | 51.78622400 | -0.20973400 | 64 | 124 | 523583 | 211245 |
| AL7 4TY | 51.77573000 | -0.19211700 | N/A | N/A | 524827 | 210108 |
| AL7 4TZ | 51.78424000 | -0.20523100 | 55 | 82 | 523899 | 211032 |