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 4LR | 50.76636100 | 0.28249100 | 17 | 33 | 561057 | 98791 |
| BN21 4LS | 50.76644900 | 0.28189900 | 4 | 6 | 561015 | 98800 |
| BN21 4LT | 50.76661000 | 0.28379300 | 8 | 16 | 561148 | 98822 |
| BN21 4LU | 50.76667000 | 0.28396600 | 13 | 23 | 561160 | 98829 |
| BN21 4LW | 50.76624900 | 0.28386000 | N/A | N/A | 561154 | 98782 |
| BN21 4LZ | 50.76624900 | 0.28432800 | N/A | N/A | 561187 | 98783 |
| BN21 4NE | 50.76561800 | 0.28461000 | 31 | 37 | 561209 | 98713 |
| BN21 4NG | 50.76498700 | 0.28467900 | N/A | N/A | 561216 | 98643 |
| BN21 4NH | 50.76435500 | 0.28507300 | 15 | 27 | 561246 | 98574 |
| BN21 4NJ | 50.76402900 | 0.28517000 | 25 | 38 | 561254 | 98538 |
| BN21 4NL | 50.76469400 | 0.28564200 | 6 | 12 | 561285 | 98613 |
| BN21 4NN | 50.76516500 | 0.28502700 | 11 | 27 | 561240 | 98664 |
| BN21 4NS | 50.76591600 | 0.28479400 | 43 | 73 | 561221 | 98747 |
| BN21 4NT | 50.76636800 | 0.28467400 | 8 | 10 | 561211 | 98797 |
| BN21 4NU | 50.76554100 | 0.28327300 | 10 | 12 | 561115 | 98702 |
| BN21 4NX | 50.76523200 | 0.28436400 | 4 | 7 | 561193 | 98670 |
| BN21 4NY | 50.76535800 | 0.28387400 | 22 | 41 | 561158 | 98683 |
| BN21 4PA | 50.76516500 | 0.28271600 | 38 | 54 | 561077 | 98659 |
| BN21 4PB | 50.76537200 | 0.28203100 | 37 | 51 | 561028 | 98680 |
| BN21 4PD | 50.76556200 | 0.28195600 | 10 | 19 | 561022 | 98701 |
| BN21 4PE | 50.76575600 | 0.28195000 | 6 | 11 | 561021 | 98723 |
| BN21 4PH | 50.76498700 | 0.28561500 | 4 | 5 | 561282 | 98645 |
| BN21 4PJ | 50.76826800 | 0.28364700 | N/A | N/A | 561132 | 99006 |
| BN21 4PN | 50.76813600 | 0.28304500 | 10 | 16 | 561090 | 98990 |
| BN21 4PP | 50.76803900 | 0.28245800 | N/A | N/A | 561049 | 98978 |
| BN21 4PR | 50.76796500 | 0.28212900 | N/A | N/A | 561026 | 98969 |
| BN21 4PT | 50.76741600 | 0.28213000 | N/A | N/A | 561028 | 98908 |
| BN21 4PU | 50.76746900 | 0.28262900 | 36 | 45 | 561063 | 98915 |
| BN21 4PX | 50.76757600 | 0.28317300 | 8 | 17 | 561101 | 98928 |
| BN21 4PY | 50.76768700 | 0.28391600 | 3 | 5 | 561153 | 98942 |
| BN21 4QA | 50.76807100 | 0.28431800 | N/A | N/A | 561180 | 98986 |
| BN21 4QD | 50.76772900 | 0.28454200 | 5 | 6 | 561197 | 98948 |
| BN21 4QE | 50.76756000 | 0.28398100 | 2 | 4 | 561158 | 98928 |
| BN21 4QG | 50.76726000 | 0.28484600 | 3 | 6 | 561220 | 98897 |
| BN21 4QH | 50.76687600 | 0.28444400 | 9 | 16 | 561193 | 98853 |
| BN21 4QN | 50.76701600 | 0.28510300 | N/A | N/A | 561239 | 98870 |
| BN21 4QR | 50.76875100 | 0.28056400 | 3 | 5 | 560913 | 99053 |
| BN21 4QS | 50.76900600 | 0.28042100 | N/A | N/A | 560902 | 99081 |
| BN21 4QT | 50.76875100 | 0.28056400 | N/A | N/A | 560913 | 99053 |
| BN21 4QU | 50.76868400 | 0.28103000 | N/A | N/A | 560946 | 99047 |
| BN21 4QX | 50.76813800 | 0.28019400 | 27 | 59 | 560889 | 98984 |
| BN21 4QY | 50.76828800 | 0.28078300 | 8 | 14 | 560930 | 99002 |
| BN21 4QZ | 50.76781400 | 0.28064600 | 6 | 8 | 560922 | 98949 |
| BN21 4RA | 50.76816500 | 0.28110300 | N/A | N/A | 560953 | 98989 |
| BN21 4RB | 50.76835300 | 0.28112600 | 2 | 8 | 560954 | 99010 |
| BN21 4RD | 50.76877200 | 0.28111900 | N/A | N/A | 560952 | 99057 |
| BN21 4RE | 50.76844400 | 0.28199600 | N/A | N/A | 561015 | 99022 |
| BN21 4RG | 50.76843400 | 0.28228000 | N/A | N/A | 561035 | 99021 |
| BN21 4RJ | 50.76828700 | 0.28221500 | N/A | N/A | 561031 | 99005 |
| BN21 4RL | 50.76839300 | 0.28165400 | 1 | 1 | 560991 | 99016 |