SY21 is a postcode district in Powys, UK. Below is a complete list of SY21 Postcodes (Active). SY21 postcode district comprises of 869 active postcodes and 5 postcode sectors. SY21 district has a population of 17136, and it has 7324 properties in the region.
| Population | 17136 |
| Addresses / Property Count | 7324 |
| Active Postcodes | 869 |
| Nearby Postcode Districts | 25 |
| Active Postcode Sectors | 5 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| SY21 0AA | 52.62657100 | -3.36789000 | 3 | 11 | 307507 | 304080 |
| SY21 0AB | 52.61945900 | -3.38724100 | 3 | 7 | 306182 | 303314 |
| SY21 0AD | 52.62061200 | -3.40609700 | 3 | 8 | 304908 | 303467 |
| SY21 0AE | 52.61545600 | -3.40469500 | 17 | 38 | 304992 | 302892 |
| SY21 0AF | 52.61289600 | -3.40306200 | 2 | 10 | 305097 | 302605 |
| SY21 0AG | 52.61078200 | -3.39268200 | 7 | 16 | 305795 | 302356 |
| SY21 0AH | 52.60286200 | -3.41463900 | 5 | 13 | 304291 | 301504 |
| SY21 0AJ | 52.59352600 | -3.43661600 | 6 | 15 | 302782 | 300495 |
| SY21 0AL | 52.60439900 | -3.41442700 | 1 | 3 | 304309 | 301675 |
| SY21 0AN | 52.60022900 | -3.45095200 | 5 | 10 | 301826 | 301260 |
| SY21 0AP | 52.60980200 | -3.43490400 | 3 | 5 | 302934 | 302303 |
| SY21 0AQ | 52.60728100 | -3.40819500 | 4 | 10 | 304737 | 301987 |
| SY21 0AR | 52.61428800 | -3.40999000 | 8 | 18 | 304631 | 302769 |
| SY21 0AS | 52.67471100 | -3.43207600 | N/A | N/A | 303269 | 309519 |
| SY21 0AT | 52.64842500 | -3.32289600 | 7 | 17 | 310597 | 306454 |
| SY21 0AU | 52.69124300 | -3.49553100 | 7 | 12 | 299017 | 311445 |
| SY21 0AW | 52.60670900 | -3.45165800 | 3 | 6 | 301793 | 301982 |
| SY21 0AX | 52.61166100 | -3.41939800 | 6 | 16 | 303988 | 302489 |
| SY21 0AY | 52.61666900 | -3.43803900 | 7 | 13 | 302737 | 303071 |
| SY21 0AZ | 52.62082600 | -3.45683300 | 5 | 12 | 301474 | 303559 |
| SY21 0BA | 52.63387200 | -3.44581400 | 1 | 3 | 302249 | 304995 |
| SY21 0BB | 52.64538200 | -3.33133300 | 20 | 63 | 310020 | 306126 |
| SY21 0BD | 52.64535700 | -3.33031200 | 20 | 54 | 310089 | 306122 |
| SY21 0BE | 52.64405600 | -3.33251900 | 10 | 22 | 309937 | 305980 |
| SY21 0BF | 52.64304800 | -3.33226900 | 32 | 80 | 309952 | 305868 |
| SY21 0BH | 52.64822100 | -3.31940200 | 34 | 79 | 310833 | 306427 |
| SY21 0BJ | 52.64466600 | -3.31326400 | 1 | 2 | 311241 | 306024 |
| SY21 0BL | 52.64136400 | -3.32080600 | 5 | 20 | 310724 | 305666 |
| SY21 0BN | 52.64492400 | -3.32778800 | 1 | 2 | 310259 | 306071 |
| SY21 0BP | 52.64571000 | -3.32534200 | 1 | 2 | 310426 | 306155 |
| SY21 0BS | 52.64388400 | -3.33341600 | 12 | 37 | 309876 | 305962 |
| SY21 0BT | 52.64451600 | -3.33393800 | 12 | 30 | 309842 | 306033 |
| SY21 0BU | 52.64498500 | -3.33387800 | 23 | 57 | 309847 | 306085 |
| SY21 0BW | 52.64650900 | -3.32378500 | 1 | 2 | 310533 | 306242 |
| SY21 0BX | 52.64336800 | -3.34726400 | 10 | 22 | 308938 | 305922 |
| SY21 0BY | 52.63840600 | -3.33094600 | 5 | 13 | 310032 | 305350 |
| SY21 0BZ | 52.63444900 | -3.32339100 | 10 | 23 | 310535 | 304900 |
| SY21 0DA | 52.64127500 | -3.31586700 | 1 | 4 | 311058 | 305650 |
| SY21 0DB | 52.64251700 | -3.30603200 | 4 | 12 | 311726 | 305776 |
| SY21 0DD | 52.63537100 | -3.29609600 | 5 | 15 | 312384 | 304969 |
| SY21 0DE | 52.63127800 | -3.30364300 | 3 | 8 | 311865 | 304523 |
| SY21 0DF | 52.63338700 | -3.31752400 | 2 | 4 | 310930 | 304775 |
| SY21 0DG | 52.63034700 | -3.32111000 | 9 | 25 | 310681 | 304441 |
| SY21 0DH | 52.62260400 | -3.35244600 | 8 | 20 | 308544 | 303619 |
| SY21 0DJ | 52.63069300 | -3.35494200 | 8 | 21 | 308392 | 304522 |
| SY21 0DL | 52.63606800 | -3.34876800 | 1 | 5 | 308821 | 305112 |
| SY21 0DN | 52.63200900 | -3.36568000 | 6 | 15 | 307668 | 304682 |
| SY21 0DP | 52.63173100 | -3.38185200 | 4 | 10 | 306573 | 304672 |
| SY21 0DQ | 52.62683800 | -3.33099200 | 8 | 21 | 310005 | 304063 |
| SY21 0DR | 52.63440700 | -3.39519100 | 10 | 34 | 305676 | 304987 |