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 4AA | 51.78744600 | -0.17010600 | 2 | 4 | 526313 | 211449 |
| AL7 4AB | 51.79035300 | -0.17198900 | 2 | 6 | 526175 | 211769 |
| AL7 4AD | 51.78935100 | -0.17230500 | 20 | 52 | 526156 | 211657 |
| AL7 4AE | 51.78813400 | -0.17216600 | 42 | 99 | 526169 | 211522 |
| AL7 4AF | 51.78830700 | -0.17288400 | 8 | 16 | 526119 | 211540 |
| AL7 4AG | 51.78732200 | -0.17184700 | 38 | 105 | 526193 | 211432 |
| AL7 4AH | 51.78932300 | -0.17152000 | 25 | 74 | 526210 | 211655 |
| AL7 4AJ | 51.78817500 | -0.17074300 | 20 | 49 | 526267 | 211529 |
| AL7 4AL | 51.78978700 | -0.17088100 | 24 | 57 | 526253 | 211708 |
| AL7 4AN | 51.78950300 | -0.17285000 | 32 | 91 | 526118 | 211673 |
| AL7 4AP | 51.78902400 | -0.17559500 | 21 | 57 | 525930 | 211615 |
| AL7 4AQ | 51.78676600 | -0.17319300 | 50 | 120 | 526102 | 211368 |
| AL7 4AR | 51.79020400 | -0.17512700 | 42 | 112 | 525959 | 211747 |
| AL7 4AS | 51.78956300 | -0.17615400 | 7 | 20 | 525890 | 211674 |
| AL7 4AW | 51.78914500 | -0.17469200 | 12 | 31 | 525992 | 211630 |
| AL7 4AX | 51.78604800 | -0.19484000 | N/A | N/A | 524611 | 211251 |
| AL7 4AZ | 51.78878800 | -0.18007100 | N/A | N/A | 525622 | 211581 |
| AL7 4BA | 51.78965000 | -0.18290700 | 8 | 24 | 525424 | 211672 |
| AL7 4BB | 51.78907400 | -0.18343800 | 10 | 28 | 525389 | 211607 |
| AL7 4BD | 51.78895100 | -0.18245700 | 8 | 25 | 525457 | 211595 |
| AL7 4BE | 51.78939800 | -0.18581800 | 20 | 44 | 525224 | 211639 |
| AL7 4BG | 51.79005200 | -0.18393500 | 15 | 37 | 525352 | 211715 |
| AL7 4BH | 51.78810000 | -0.18489400 | N/A | N/A | 525291 | 211496 |
| AL7 4BJ | 51.78682300 | -0.18619600 | 16 | 40 | 525205 | 211352 |
| AL7 4BL | 51.78716900 | -0.18532700 | 11 | 21 | 525264 | 211392 |
| AL7 4BN | 51.78554200 | -0.18711800 | 8 | 20 | 525145 | 211208 |
| AL7 4BP | 51.78709700 | -0.18689200 | 15 | 38 | 525156 | 211381 |
| AL7 4BQ | 51.78852500 | -0.18518600 | 9 | 25 | 525270 | 211543 |
| AL7 4BS | 51.78858400 | -0.18727100 | 29 | 65 | 525126 | 211546 |
| AL7 4BT | 51.78921900 | -0.18704300 | 25 | 52 | 525140 | 211617 |
| AL7 4BY | 51.78749000 | -0.19504300 | N/A | N/A | 524593 | 211411 |
| AL7 4BZ | 51.78313800 | -0.18573500 | N/A | N/A | 525247 | 210943 |
| AL7 4DA | 51.79106100 | -0.19325800 | 35 | 37 | 524706 | 211811 |
| AL7 4DB | 51.78987200 | -0.17924400 | 33 | 83 | 525676 | 211703 |
| AL7 4DF | 51.78400100 | -0.20309500 | 29 | 81 | 524047 | 211009 |
| AL7 4DG | 51.78458100 | -0.20240900 | 18 | 45 | 524093 | 211075 |
| AL7 4DH | 51.78364500 | -0.20234400 | 10 | 28 | 524100 | 210971 |
| AL7 4DJ | 51.78400100 | -0.20148900 | 23 | 66 | 524158 | 211012 |
| AL7 4DL | 51.78295400 | -0.20113600 | 4 | 11 | 524185 | 210896 |
| AL7 4DN | 51.78379600 | -0.20091400 | 24 | 54 | 524198 | 210990 |
| AL7 4DP | 51.78272500 | -0.19922000 | 15 | 50 | 524318 | 210874 |
| AL7 4DQ | 51.78412500 | -0.20197700 | 21 | 48 | 524124 | 211025 |
| AL7 4DR | 51.78311000 | -0.19966900 | 13 | 39 | 524286 | 210916 |
| AL7 4DS | 51.78344000 | -0.19893100 | 20 | 55 | 524336 | 210954 |
| AL7 4DT | 51.78217500 | -0.18800700 | N/A | N/A | 525093 | 210832 |
| AL7 4DU | 51.78373600 | -0.19890500 | 24 | 56 | 524337 | 210987 |
| AL7 4DW | 51.78374300 | -0.20033600 | 17 | 43 | 524238 | 210985 |
| AL7 4DX | 51.78354300 | -0.19744800 | 14 | 41 | 524438 | 210968 |
| AL7 4DY | 51.78293300 | -0.19634200 | 22 | 57 | 524516 | 210902 |
| AL7 4DZ | 51.78324000 | -0.19583600 | 6 | 8 | 524550 | 210937 |