PO21 4 is a postcode sector in Arun, UK. Below is a complete list of PO21 4 Postcodes (Active). PO21 4 postcode sector comprises of 271 active postcodes. PO21 4 sector has a population of 7273, and it has 3544 properties in the region.
| Population | 7273 |
| Addresses / Property Count | 3544 |
| Active Postcodes | 271 |
| Nearby Postcode Districts | 34 |
| Nearby Postcode Sectors | 5 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| PO21 4AA | 50.77932100 | -0.70289300 | 4 | 12 | 491546 | 98551 |
| PO21 4AB | 50.77894300 | -0.70040700 | 3 | 5 | 491722 | 98512 |
| PO21 4AD | 50.77930500 | -0.70222700 | 10 | 20 | 491593 | 98550 |
| PO21 4AE | 50.78024600 | -0.70191700 | 17 | 35 | 491613 | 98655 |
| PO21 4AF | 50.77901600 | -0.70139100 | 2 | 4 | 491652 | 98519 |
| PO21 4AG | 50.77680400 | -0.71038800 | N/A | N/A | 491022 | 98262 |
| PO21 4AH | 50.77894400 | -0.70216600 | 10 | 16 | 491598 | 98510 |
| PO21 4AJ | 50.77844500 | -0.70337100 | 4 | 7 | 491514 | 98453 |
| PO21 4AL | 50.77782400 | -0.70330300 | 11 | 24 | 491520 | 98384 |
| PO21 4AN | 50.77823400 | -0.70625600 | 33 | 76 | 491311 | 98426 |
| PO21 4AP | 50.77544500 | -0.71505600 | 9 | 17 | 490696 | 98105 |
| PO21 4AQ | 50.76977800 | -0.73647700 | N/A | N/A | 489196 | 97449 |
| PO21 4AR | 50.77828400 | -0.73616900 | 4 | 6 | 489202 | 98395 |
| PO21 4AS | 50.77820100 | -0.70085300 | 10 | 19 | 491692 | 98429 |
| PO21 4AT | 50.77710300 | -0.70722400 | 24 | 52 | 491245 | 98299 |
| PO21 4AU | 50.78271300 | -0.71278600 | 10 | 31 | 490842 | 98916 |
| PO21 4AW | 50.77756700 | -0.70522500 | 9 | 17 | 491385 | 98353 |
| PO21 4AX | 50.78079400 | -0.71248400 | 13 | 28 | 490867 | 98703 |
| PO21 4AY | 50.78308000 | -0.71340000 | 13 | 34 | 490798 | 98956 |
| PO21 4AZ | 50.78068300 | -0.71542300 | 15 | 36 | 490660 | 98687 |
| PO21 4BA | 50.78046700 | -0.71625200 | 24 | 51 | 490602 | 98662 |
| PO21 4BB | 50.78156700 | -0.71730000 | 41 | 83 | 490526 | 98783 |
| PO21 4BD | 50.78078300 | -0.71805300 | 2 | 3 | 490474 | 98695 |
| PO21 4BE | 50.78070400 | -0.71735200 | 32 | 74 | 490524 | 98687 |
| PO21 4BF | 50.76964700 | -0.73938800 | N/A | N/A | 488991 | 97431 |
| PO21 4BG | 50.78197100 | -0.71476400 | 16 | 36 | 490704 | 98831 |
| PO21 4BH | 50.78353300 | -0.71537300 | 26 | 50 | 490658 | 99004 |
| PO21 4BJ | 50.78337300 | -0.71388800 | 8 | 17 | 490763 | 98988 |
| PO21 4BL | 50.78024700 | -0.71502400 | 4 | 6 | 490689 | 98639 |
| PO21 4BN | 50.78344200 | -0.71692200 | 15 | 39 | 490549 | 98992 |
| PO21 4BP | 50.78285000 | -0.71700900 | 18 | 33 | 490544 | 98926 |
| PO21 4BQ | 50.78288300 | -0.71510700 | 23 | 65 | 490678 | 98932 |
| PO21 4BT | 50.77792700 | -0.70775400 | 6 | 9 | 491206 | 98390 |
| PO21 4BU | 50.77673100 | -0.71668000 | 3 | 4 | 490579 | 98246 |
| PO21 4BW | 50.78257600 | -0.71667600 | 14 | 29 | 490568 | 98896 |
| PO21 4BX | 50.77717400 | -0.70875400 | 4 | 7 | 491137 | 98305 |
| PO21 4BY | 50.78172700 | -0.70820300 | 5 | 6 | 491167 | 98812 |
| PO21 4BZ | 50.78194900 | -0.70950200 | 8 | 19 | 491075 | 98835 |
| PO21 4DA | 50.78167300 | -0.71145200 | 7 | 20 | 490938 | 98802 |
| PO21 4DB | 50.78149200 | -0.71296100 | 7 | 18 | 490832 | 98780 |
| PO21 4DD | 50.78076900 | -0.71425800 | 4 | 11 | 490742 | 98698 |
| PO21 4DE | 50.77902700 | -0.71531200 | 9 | 23 | 490671 | 98503 |
| PO21 4DF | 50.77886200 | -0.71751500 | 8 | 14 | 490516 | 98482 |
| PO21 4DG | 50.77834200 | -0.71676400 | 8 | 43 | 490570 | 98425 |
| PO21 4DH | 50.77741900 | -0.71225000 | 19 | 48 | 490890 | 98328 |
| PO21 4DJ | 50.77603900 | -0.71508200 | 8 | 13 | 490693 | 98171 |
| PO21 4DL | 50.77710800 | -0.71007400 | 6 | 13 | 491044 | 98296 |
| PO21 4DN | 50.77755200 | -0.70877200 | 11 | 22 | 491135 | 98347 |
| PO21 4DP | 50.77793300 | -0.70986700 | 4 | 8 | 491057 | 98388 |
| PO21 4DQ | 50.77821700 | -0.71442700 | 14 | 29 | 490735 | 98414 |