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 8QU | 52.61230700 | -3.30108800 | 1 | 5 | 312000 | 302410 |
| SY21 8QW | 52.57786700 | -3.28302000 | 8 | 24 | 313155 | 298557 |
| SY21 8QX | 52.61094300 | -3.28184700 | 4 | 7 | 313300 | 302235 |
| SY21 8QY | 52.60135600 | -3.25224100 | 7 | 17 | 315286 | 301133 |
| SY21 8RF | 52.65059000 | -3.15825800 | 7 | 10 | 321739 | 306503 |
| SY21 8RG | 52.65017900 | -3.16074500 | N/A | N/A | 321570 | 306460 |
| SY21 8RH | 52.64333900 | -3.17151600 | 5 | 11 | 320829 | 305711 |
| SY21 8RJ | 52.64358900 | -3.17137300 | 3 | 3 | 320839 | 305739 |
| SY21 8RL | 52.63644500 | -3.20455100 | 1 | 4 | 318581 | 304981 |
| SY21 8RN | 52.63267200 | -3.19271500 | 6 | 11 | 319375 | 304548 |
| SY21 8RP | 52.64556500 | -3.15169600 | 3 | 9 | 322174 | 305937 |
| SY21 8RQ | 52.64230600 | -3.16687700 | 3 | 5 | 321141 | 305591 |
| SY21 8RS | 52.63329200 | -3.14355700 | 5 | 18 | 322703 | 304563 |
| SY21 8RT | 52.62923700 | -3.13984600 | 11 | 26 | 322947 | 304108 |
| SY21 8RU | 52.62729100 | -3.14022400 | 5 | 10 | 322918 | 303892 |
| SY21 8RX | 52.62560800 | -3.14134700 | 5 | 12 | 322839 | 303706 |
| SY21 8RY | 52.62141700 | -3.14151900 | 21 | 47 | 322820 | 303240 |
| SY21 8RZ | 52.61884400 | -3.13796600 | 9 | 34 | 323056 | 302950 |
| SY21 8SA | 52.63793000 | -3.15468700 | 10 | 30 | 321958 | 305091 |
| SY21 8SB | 52.63933700 | -3.15884700 | 4 | 13 | 321679 | 305252 |
| SY21 8SD | 52.63752000 | -3.16445900 | 5 | 6 | 321296 | 305056 |
| SY21 8SE | 52.62665000 | -3.16641600 | 7 | 15 | 321144 | 303849 |
| SY21 8SF | 52.62589700 | -3.17344300 | 12 | 22 | 320667 | 303773 |
| SY21 8SG | 52.62377800 | -3.16130200 | 10 | 30 | 321485 | 303524 |
| SY21 8SH | 52.62510500 | -3.19120900 | 3 | 10 | 319463 | 303705 |
| SY21 8SJ | 52.62647800 | -3.17707800 | 3 | 7 | 320422 | 303842 |
| SY21 8SL | 52.67004800 | -3.12483000 | N/A | N/A | 324034 | 308632 |
| SY21 8SQ | 52.63151300 | -3.17369700 | 11 | 27 | 320660 | 304398 |
| SY21 8SR | 52.67267200 | -3.11874700 | 9 | 25 | 324450 | 308917 |
| SY21 8SS | 52.67182900 | -3.10853300 | 2 | 7 | 325139 | 308813 |
| SY21 8ST | 52.67541900 | -3.09697200 | 3 | 7 | 325927 | 309200 |
| SY21 8SU | 52.68035300 | -3.09333900 | 10 | 26 | 326181 | 309745 |
| SY21 8SX | 52.67925000 | -3.09010100 | 10 | 20 | 326398 | 309619 |
| SY21 8SY | 52.68695900 | -3.07935800 | 4 | 8 | 327137 | 310466 |
| SY21 8SZ | 52.68515800 | -3.08459400 | 10 | 36 | 326780 | 310271 |
| SY21 8TA | 52.68736600 | -3.08249200 | 6 | 12 | 326926 | 310514 |
| SY21 8TB | 52.68797700 | -3.07553900 | 1 | 2 | 327397 | 310575 |
| SY21 8TD | 52.68988100 | -3.05945600 | 2 | 5 | 328487 | 310771 |
| SY21 8TE | 52.68402800 | -3.05582600 | 7 | 18 | 328723 | 310116 |
| SY21 8TF | 52.67915400 | -3.06101900 | 7 | 21 | 328364 | 309579 |
| SY21 8TP | 52.61177400 | -3.12014700 | 2 | 6 | 324250 | 302145 |
| SY21 8TR | 52.61419700 | -3.12093400 | 14 | 27 | 324201 | 302415 |
| SY21 8TS | 52.61334800 | -3.11753000 | 4 | 13 | 324430 | 302317 |
| SY21 8TT | 52.61546600 | -3.11315300 | 11 | 25 | 324730 | 302548 |
| SY21 8TU | 52.61199500 | -3.10265200 | 2 | 4 | 325435 | 302151 |
| SY21 8WY | 52.65929600 | -3.14581700 | N/A | N/A | 322596 | 307458 |
| SY21 8XQ | 52.65929600 | -3.14581700 | N/A | N/A | 322596 | 307458 |
| SY21 9AA | 52.65644700 | -3.17055100 | 4 | 10 | 320918 | 307168 |
| SY21 9AB | 52.65459800 | -3.17539300 | 3 | 7 | 320587 | 306968 |
| SY21 9AD | 52.65341200 | -3.17932400 | 1 | 2 | 320319 | 306840 |