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 7AB | 52.65931900 | -3.14626100 | 13 | 25 | 322566 | 307461 |
| SY21 7AD | 52.65912800 | -3.14646300 | 16 | 37 | 322552 | 307440 |
| SY21 7AE | 52.65888800 | -3.14524500 | 19 | 25 | 322634 | 307412 |
| SY21 7AF | 52.65929600 | -3.14581700 | N/A | N/A | 322596 | 307458 |
| SY21 7AG | 52.65902900 | -3.14558900 | 1 | 5 | 322611 | 307428 |
| SY21 7AH | 52.65629200 | -3.14473100 | N/A | N/A | 322664 | 307123 |
| SY21 7AL | 52.65874100 | -3.14435100 | 3 | 6 | 322694 | 307395 |
| SY21 7AN | 52.65846000 | -3.14393300 | 4 | 8 | 322722 | 307363 |
| SY21 7AP | 52.65806000 | -3.14445400 | N/A | N/A | 322686 | 307319 |
| SY21 7AQ | 52.65837900 | -3.14548000 | N/A | N/A | 322617 | 307356 |
| SY21 7AR | 52.65746900 | -3.14420200 | 3 | 4 | 322702 | 307253 |
| SY21 7AS | 52.65824200 | -3.14238900 | 0 | 41 | 322826 | 307337 |
| SY21 7AT | 52.65637800 | -3.14356800 | 3 | 9 | 322743 | 307131 |
| SY21 7AU | 52.65713700 | -3.14228700 | 9 | 11 | 322831 | 307214 |
| SY21 7AX | 52.65788100 | -3.14155200 | 3 | 6 | 322882 | 307296 |
| SY21 7AY | 52.65675100 | -3.14125600 | N/A | N/A | 322900 | 307170 |
| SY21 7AZ | 52.65662900 | -3.13773200 | 6 | 10 | 323138 | 307153 |
| SY21 7BA | 52.66318700 | -3.13391300 | 66 | 163 | 323408 | 307878 |
| SY21 7BB | 52.65536500 | -3.13671100 | 12 | 31 | 323205 | 307011 |
| SY21 7BD | 52.65571000 | -3.13543400 | 1 | 2 | 323292 | 307048 |
| SY21 7BE | 52.65884100 | -3.13579300 | 3 | 6 | 323273 | 307397 |
| SY21 7BF | 52.65396200 | -3.14711200 | 1 | 1 | 322499 | 306866 |
| SY21 7BG | 52.66173900 | -3.13678800 | 21 | 60 | 323211 | 307720 |
| SY21 7BL | 52.65997900 | -3.14086500 | 6 | 13 | 322932 | 307529 |
| SY21 7BN | 52.65979800 | -3.13945800 | 6 | 13 | 323027 | 307507 |
| SY21 7BP | 52.66063800 | -3.14097300 | 22 | 42 | 322926 | 307602 |
| SY21 7BS | 52.66101000 | -3.14056900 | 7 | 16 | 322954 | 307643 |
| SY21 7BT | 52.66130800 | -3.14039900 | 14 | 18 | 322966 | 307676 |
| SY21 7BU | 52.66068200 | -3.14007200 | 10 | 14 | 322987 | 307606 |
| SY21 7BW | 52.66006100 | -3.14016000 | 11 | 22 | 322980 | 307537 |
| SY21 7BY | 52.66253000 | -3.13488600 | 1 | 2 | 323341 | 307806 |
| SY21 7DA | 52.65797300 | -3.14412700 | N/A | N/A | 322708 | 307309 |
| SY21 7DB | 52.66225600 | -3.13820600 | 23 | 64 | 323116 | 307779 |
| SY21 7DD | 52.66016400 | -3.14594100 | N/A | N/A | 322589 | 307555 |
| SY21 7DF | 52.65347100 | -3.13979400 | N/A | N/A | 322993 | 306804 |
| SY21 7DG | 52.65968300 | -3.14668500 | 7 | 19 | 322538 | 307502 |
| SY21 7DH | 52.66534100 | -3.13423500 | N/A | N/A | 323390 | 308118 |
| SY21 7DJ | 52.66446700 | -3.13166900 | N/A | N/A | 323562 | 308018 |
| SY21 7DL | 52.65993100 | -3.14710500 | 2 | 4 | 322510 | 307530 |
| SY21 7DP | 52.66043600 | -3.14695600 | 2 | 3 | 322521 | 307586 |
| SY21 7DQ | 52.65975200 | -3.14615400 | 11 | 24 | 322574 | 307509 |
| SY21 7DR | 52.66105500 | -3.14583100 | 3 | 7 | 322598 | 307654 |
| SY21 7DS | 52.66139800 | -3.14567800 | 2 | 6 | 322609 | 307692 |
| SY21 7DT | 52.66172700 | -3.14551100 | 12 | 23 | 322621 | 307728 |
| SY21 7DU | 52.66173400 | -3.14342400 | 0 | 91 | 322762 | 307727 |
| SY21 7DW | 52.66177400 | -3.14055900 | 15 | 40 | 322956 | 307728 |
| SY21 7DX | 52.66100100 | -3.14486900 | 12 | 35 | 322663 | 307647 |
| SY21 7DY | 52.66078000 | -3.14446400 | 5 | 11 | 322690 | 307622 |
| SY21 7DZ | 52.66062100 | -3.14363400 | 3 | 8 | 322746 | 307603 |
| SY21 7EA | 52.66105800 | -3.14397100 | 8 | 29 | 322724 | 307652 |