BN21 4 is a postcode sector in Eastbourne, UK. Below is a complete list of BN21 4 Postcodes (Active). BN21 4 postcode sector comprises of 192 active postcodes. BN21 4 sector has a population of 3783, and it has 2014 properties in the region.
| Population | 3783 |
| Addresses / Property Count | 2014 |
| Active Postcodes | 192 |
| Nearby Postcode Districts | 37 |
| Nearby Postcode Sectors | 4 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| BN21 4AA | 50.76608400 | 0.28538400 | 7 | 15 | 561262 | 98767 |
| BN21 4AB | 50.76608400 | 0.28538400 | 18 | 32 | 561262 | 98767 |
| BN21 4AD | 50.76646900 | 0.28595600 | 12 | 18 | 561301 | 98811 |
| BN21 4AE | 50.76614300 | 0.28653500 | 8 | 14 | 561343 | 98776 |
| BN21 4AF | 50.76579800 | 0.28738500 | 10 | 19 | 561404 | 98740 |
| BN21 4AG | 50.76576200 | 0.28762300 | 18 | 29 | 561421 | 98736 |
| BN21 4AH | 50.76536700 | 0.28849700 | 1 | 2 | 561484 | 98694 |
| BN21 4AJ | 50.76475100 | 0.28824000 | 1 | 7 | 561468 | 98625 |
| BN21 4AL | 50.76494700 | 0.28791000 | 2 | 2 | 561444 | 98646 |
| BN21 4AN | 50.76476700 | 0.28766000 | 31 | 47 | 561427 | 98625 |
| BN21 4AP | 50.76291800 | 0.28541400 | 26 | 43 | 561275 | 98415 |
| BN21 4AQ | 50.76548300 | 0.28667400 | 23 | 40 | 561355 | 98703 |
| BN21 4AR | 50.76420300 | 0.28730600 | 15 | 34 | 561404 | 98562 |
| BN21 4AS | 50.76479600 | 0.28595900 | 22 | 36 | 561307 | 98625 |
| BN21 4AT | 50.76548200 | 0.28559600 | 2 | 3 | 561279 | 98700 |
| BN21 4AU | 50.76539900 | 0.28594600 | 9 | 16 | 561304 | 98692 |
| BN21 4AX | 50.76517600 | 0.28627600 | 10 | 21 | 561328 | 98668 |
| BN21 4AY | 50.76512900 | 0.28641500 | 10 | 17 | 561338 | 98663 |
| BN21 4BA | 50.76435400 | 0.28785200 | 4 | 8 | 561442 | 98580 |
| BN21 4BB | 50.76446000 | 0.28658100 | 7 | 10 | 561352 | 98589 |
| BN21 4BD | 50.76426600 | 0.28638700 | 23 | 31 | 561339 | 98567 |
| BN21 4BE | 50.76426600 | 0.28638700 | 28 | 36 | 561339 | 98567 |
| BN21 4BH | 50.76370600 | 0.28648800 | 25 | 38 | 561348 | 98505 |
| BN21 4BJ | 50.76341100 | 0.28617600 | 55 | 80 | 561327 | 98471 |
| BN21 4BL | 50.76305800 | 0.28608700 | 0 | 9 | 561322 | 98432 |
| BN21 4BP | 50.76276900 | 0.28451400 | N/A | N/A | 561212 | 98396 |
| BN21 4BQ | 50.76350300 | 0.28676100 | 2 | 5 | 561368 | 98483 |
| BN21 4BT | 50.76242100 | 0.28527700 | 11 | 16 | 561267 | 98359 |
| BN21 4BU | 50.76191200 | 0.28533700 | 16 | 21 | 561273 | 98303 |
| BN21 4BW | 50.76294300 | 0.28484900 | 2 | 4 | 561235 | 98417 |
| BN21 4BX | 50.76208500 | 0.28570000 | 20 | 28 | 561298 | 98323 |
| BN21 4BY | 50.76215600 | 0.28645500 | N/A | N/A | 561351 | 98333 |
| BN21 4BZ | 50.76482500 | 0.28702500 | 17 | 25 | 561382 | 98631 |
| BN21 4DB | 50.76271900 | 0.28544700 | 1 | 1 | 561278 | 98393 |
| BN21 4DF | 50.76578200 | 0.28380900 | 10 | 14 | 561152 | 98730 |
| BN21 4DG | 50.76276400 | 0.28639900 | 41 | 67 | 561345 | 98400 |
| BN21 4DH | 50.76448600 | 0.28846800 | N/A | N/A | 561485 | 98596 |
| BN21 4DL | 50.76375900 | 0.28748300 | N/A | N/A | 561418 | 98513 |
| BN21 4DN | 50.76314500 | 0.28668700 | 1 | 1 | 561364 | 98443 |
| BN21 4DQ | 50.76434500 | 0.28650500 | N/A | N/A | 561347 | 98576 |
| BN21 4DR | 50.76250100 | 0.28604600 | N/A | N/A | 561321 | 98370 |
| BN21 4DS | 50.76235100 | 0.28589700 | 1 | 1 | 561311 | 98353 |
| BN21 4DT | 50.76154200 | 0.28310600 | 19 | 34 | 561117 | 98257 |
| BN21 4DU | 50.76141500 | 0.28361100 | 7 | 11 | 561153 | 98244 |
| BN21 4DW | 50.76496100 | 0.28673300 | 5 | 11 | 561361 | 98645 |
| BN21 4DX | 50.76214400 | 0.28497900 | 48 | 67 | 561247 | 98328 |
| BN21 4EA | 50.76165500 | 0.28423200 | 26 | 35 | 561196 | 98272 |
| BN21 4EB | 50.76143000 | 0.28470300 | N/A | N/A | 561230 | 98248 |
| BN21 4EE | 50.76102600 | 0.28444300 | 0 | 12 | 561213 | 98203 |
| BN21 4EF | 50.76254500 | 0.28243200 | N/A | N/A | 561066 | 98367 |