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 0DS | 52.62225500 | -3.42188700 | 9 | 21 | 303843 | 303671 |
| SY21 0DT | 52.63829400 | -3.38186600 | 1 | 2 | 306586 | 305402 |
| SY21 0DU | 52.64442600 | -3.36836200 | 8 | 24 | 307513 | 306067 |
| SY21 0DW | 52.62578000 | -3.38843400 | 8 | 18 | 306115 | 304019 |
| SY21 0DX | 52.64470900 | -3.33202200 | 14 | 31 | 309972 | 306052 |
| SY21 0DY | 52.64531400 | -3.33260200 | 12 | 42 | 309934 | 306120 |
| SY21 0EA | 52.67649100 | -3.43209000 | 10 | 21 | 303272 | 309717 |
| SY21 0EB | 52.65208400 | -3.35047600 | 2 | 5 | 308739 | 306896 |
| SY21 0ED | 52.65322800 | -3.34632800 | 7 | 14 | 309022 | 307018 |
| SY21 0EE | 52.65527700 | -3.35067500 | 6 | 18 | 308732 | 307251 |
| SY21 0EF | 52.66228200 | -3.37521900 | 13 | 38 | 307087 | 308062 |
| SY21 0EG | 52.67619300 | -3.43048700 | 24 | 50 | 303380 | 309682 |
| SY21 0EH | 52.67566600 | -3.43264000 | 12 | 35 | 303233 | 309626 |
| SY21 0EJ | 52.67674500 | -3.43195000 | 3 | 9 | 303282 | 309745 |
| SY21 0EL | 52.68174700 | -3.43612300 | 4 | 10 | 303011 | 310307 |
| SY21 0EN | 52.69190700 | -3.41813800 | 4 | 14 | 304249 | 311413 |
| SY21 0EP | 52.67550000 | -3.43449800 | 7 | 16 | 303107 | 309610 |
| SY21 0EQ | 52.67679800 | -3.42825400 | N/A | N/A | 303532 | 309746 |
| SY21 0ER | 52.67763400 | -3.44872700 | 10 | 25 | 302150 | 309867 |
| SY21 0ES | 52.67594200 | -3.42472100 | 11 | 31 | 303769 | 309646 |
| SY21 0ET | 52.66940100 | -3.42512900 | 1 | 3 | 303727 | 308919 |
| SY21 0EU | 52.67338600 | -3.41514200 | 6 | 16 | 304411 | 309349 |
| SY21 0EW | 52.61808700 | -3.36604500 | 1 | 5 | 307614 | 303134 |
| SY21 0EX | 52.68181700 | -3.40676500 | 2 | 3 | 304996 | 310276 |
| SY21 0EY | 52.67095300 | -3.40274400 | 9 | 25 | 305244 | 309062 |
| SY21 0EZ | 52.66312000 | -3.40373500 | 5 | 14 | 305160 | 308192 |
| SY21 0GA | 52.69131900 | -3.47079400 | 13 | 24 | 300689 | 311419 |
| SY21 0HA | 52.65758000 | -3.41219200 | 6 | 10 | 304576 | 307587 |
| SY21 0HB | 52.64753200 | -3.40637300 | 4 | 12 | 304948 | 306462 |
| SY21 0HD | 52.65477000 | -3.38136600 | 4 | 9 | 306655 | 307234 |
| SY21 0HE | 52.64627000 | -3.38479300 | 1 | 3 | 306405 | 306293 |
| SY21 0HF | 52.64910400 | -3.37459400 | 6 | 16 | 307101 | 306595 |
| SY21 0HG | 52.67573200 | -3.43389900 | 5 | 9 | 303148 | 309635 |
| SY21 0HL | 52.65268600 | -3.32216800 | 1 | 2 | 310655 | 306927 |
| SY21 0HN | 52.65931700 | -3.31252200 | 5 | 14 | 311321 | 307653 |
| SY21 0HP | 52.66206300 | -3.33012500 | 4 | 13 | 310136 | 307980 |
| SY21 0HR | 52.65192900 | -3.33831700 | 5 | 14 | 309561 | 306863 |
| SY21 0HS | 52.66006400 | -3.34634300 | 3 | 8 | 309035 | 307778 |
| SY21 0HT | 52.66504700 | -3.35479200 | 6 | 15 | 308474 | 308343 |
| SY21 0HU | 52.67182300 | -3.34243000 | 11 | 29 | 309324 | 309081 |
| SY21 0HW | 52.65094800 | -3.32644600 | 7 | 20 | 310362 | 306739 |
| SY21 0HX | 52.65966200 | -3.35798200 | N/A | N/A | 308247 | 307748 |
| SY21 0HY | 52.66861200 | -3.36929100 | 7 | 17 | 307501 | 308758 |
| SY21 0HZ | 52.67308700 | -3.43402000 | 4 | 12 | 303134 | 309341 |
| SY21 0JA | 52.66849700 | -3.43073400 | 1 | 5 | 303346 | 308826 |
| SY21 0JB | 52.66997200 | -3.44178500 | 15 | 36 | 302602 | 309005 |
| SY21 0JD | 52.66532200 | -3.45596100 | 5 | 9 | 301633 | 308507 |
| SY21 0JE | 52.66266600 | -3.47150300 | 12 | 24 | 300576 | 308233 |
| SY21 0JF | 52.65494800 | -3.48194700 | 1 | 2 | 299852 | 307389 |
| SY21 0JG | 52.64026200 | -3.49090900 | 3 | 10 | 299212 | 305768 |