BN21 3 is a postcode sector in Eastbourne, UK. Below is a complete list of BN21 3 Postcodes (Active). BN21 3 postcode sector comprises of 215 active postcodes. BN21 3 sector has a population of 5465, and it has 2864 properties in the region.
| Population | 5465 |
| Addresses / Property Count | 2864 |
| Active Postcodes | 215 |
| Nearby Postcode Districts | 37 |
| Nearby Postcode Sectors | 4 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| BN21 3SE | 50.77261100 | 0.28804300 | N/A | N/A | 561427 | 99498 |
| BN21 3SF | 50.77199900 | 0.29103400 | 25 | 36 | 561640 | 99437 |
| BN21 3SG | 50.77243800 | 0.28838900 | 21 | 31 | 561452 | 99480 |
| BN21 3SH | 50.77207200 | 0.28961900 | 23 | 36 | 561540 | 99442 |
| BN21 3SJ | 50.77156100 | 0.28933900 | 25 | 60 | 561522 | 99385 |
| BN21 3SL | 50.77090900 | 0.28795900 | 32 | 84 | 561427 | 99309 |
| BN21 3SN | 50.77020000 | 0.28649200 | 22 | 64 | 561326 | 99227 |
| BN21 3SP | 50.77054800 | 0.28984200 | 8 | 14 | 561561 | 99273 |
| BN21 3TB | 50.77029400 | 0.28492200 | 42 | 81 | 561215 | 99234 |
| BN21 3TE | 50.77050600 | 0.28603900 | 34 | 81 | 561293 | 99260 |
| BN21 3TG | 50.77058600 | 0.28675300 | 13 | 37 | 561343 | 99270 |
| BN21 3TH | 50.77006500 | 0.28739300 | 13 | 29 | 561390 | 99214 |
| BN21 3TJ | 50.76963200 | 0.28840800 | 28 | 43 | 561463 | 99168 |
| BN21 3TN | 50.77139100 | 0.28630900 | 18 | 37 | 561309 | 99359 |
| BN21 3TP | 50.77131400 | 0.28702900 | 32 | 86 | 561360 | 99352 |
| BN21 3TR | 50.77139500 | 0.28792600 | N/A | N/A | 561423 | 99363 |
| BN21 3TT | 50.77165000 | 0.28774000 | 8 | 14 | 561409 | 99391 |
| BN21 3TU | 50.77193900 | 0.28723000 | 27 | 46 | 561372 | 99422 |
| BN21 3TX | 50.77210600 | 0.28654300 | 36 | 79 | 561323 | 99439 |
| BN21 3TY | 50.77204400 | 0.28810100 | 5 | 23 | 561433 | 99436 |
| BN21 3TZ | 50.77140900 | 0.28836700 | 15 | 29 | 561454 | 99366 |
| BN21 3UA | 50.77188300 | 0.28894400 | 29 | 81 | 561493 | 99419 |
| BN21 3UE | 50.77004500 | 0.27970500 | 6 | 12 | 560848 | 99195 |
| BN21 3UF | 50.77284800 | 0.28446500 | N/A | N/A | 561174 | 99517 |
| BN21 3UG | 50.77022400 | 0.28046600 | 13 | 29 | 560901 | 99217 |
| BN21 3UH | 50.77052300 | 0.28077900 | 9 | 22 | 560922 | 99250 |
| BN21 3UL | 50.77095700 | 0.28088400 | 3 | 8 | 560928 | 99299 |
| BN21 3UN | 50.77111800 | 0.28143100 | N/A | N/A | 560966 | 99318 |
| BN21 3UP | 50.77255700 | 0.28324600 | 20 | 29 | 561089 | 99482 |
| BN21 3UR | 50.77267800 | 0.28349300 | N/A | N/A | 561106 | 99496 |
| BN21 3UT | 50.77169400 | 0.28300600 | 17 | 23 | 561075 | 99386 |
| BN21 3UU | 50.77293400 | 0.28374600 | 16 | 22 | 561123 | 99525 |
| BN21 3UW | 50.77168100 | 0.28205400 | 35 | 36 | 561008 | 99382 |
| BN21 3UX | 50.77117400 | 0.28220000 | 14 | 19 | 561020 | 99326 |
| BN21 3UY | 50.77381400 | 0.28473900 | 15 | 74 | 561190 | 99625 |
| BN21 3WG | 50.76935300 | 0.27876400 | N/A | N/A | 560784 | 99116 |
| BN21 3WW | 50.76998800 | 0.27896500 | 8 | 16 | 560796 | 99187 |
| BN21 3XA | 50.77373100 | 0.28321800 | N/A | N/A | 561083 | 99612 |
| BN21 3XB | 50.77298700 | 0.28286900 | 16 | 25 | 561061 | 99529 |
| BN21 3XE | 50.77127500 | 0.28305600 | 20 | 62 | 561080 | 99339 |
| BN21 3XF | 50.77249500 | 0.28524300 | 52 | 118 | 561230 | 99479 |
| BN21 3XG | 50.77229700 | 0.28526200 | 4 | 9 | 561232 | 99457 |
| BN21 3XH | 50.77321300 | 0.28604300 | 9 | 11 | 561284 | 99561 |
| BN21 3XJ | 50.77377300 | 0.28591500 | 30 | 45 | 561273 | 99623 |
| BN21 3XL | 50.77490200 | 0.28659400 | 19 | 35 | 561317 | 99750 |
| BN21 3XN | 50.77492500 | 0.28587200 | 12 | 14 | 561266 | 99751 |
| BN21 3XP | 50.77475100 | 0.28559400 | N/A | N/A | 561247 | 99731 |
| BN21 3XQ | 50.77068900 | 0.28175100 | N/A | N/A | 560990 | 99271 |
| BN21 3XR | 50.77478300 | 0.28482900 | 9 | 21 | 561193 | 99733 |
| BN21 3XS | 50.77427100 | 0.28618000 | 13 | 21 | 561290 | 99679 |