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 7EB | 52.66124600 | -3.14319200 | 3 | 6 | 322777 | 307672 |
| SY21 7ED | 52.66098300 | -3.14334800 | 2 | 3 | 322766 | 307643 |
| SY21 7EE | 52.66103400 | -3.14271300 | 13 | 22 | 322809 | 307648 |
| SY21 7EF | 52.66144600 | -3.14195500 | 16 | 40 | 322861 | 307693 |
| SY21 7EG | 52.66172200 | -3.14221400 | 12 | 28 | 322844 | 307724 |
| SY21 7EH | 52.66221500 | -3.14151700 | 12 | 26 | 322892 | 307778 |
| SY21 7EJ | 52.66268300 | -3.14145500 | 21 | 31 | 322897 | 307830 |
| SY21 7EL | 52.66220900 | -3.14212300 | 8 | 23 | 322851 | 307778 |
| SY21 7EN | 52.66202600 | -3.14247300 | 1 | 2 | 322827 | 307758 |
| SY21 7EP | 52.66218500 | -3.14083600 | 6 | 44 | 322938 | 307774 |
| SY21 7ER | 52.66254400 | -3.14001700 | 1 | 4 | 322994 | 307813 |
| SY21 7ET | 52.66239200 | -3.13894900 | 9 | 23 | 323066 | 307795 |
| SY21 7EU | 52.66303400 | -3.14140500 | 6 | 15 | 322901 | 307869 |
| SY21 7EW | 52.66201100 | -3.14210300 | 8 | 16 | 322852 | 307756 |
| SY21 7EX | 52.66292300 | -3.13800200 | 6 | 19 | 323131 | 307853 |
| SY21 7EY | 52.66323100 | -3.13962100 | 19 | 38 | 323022 | 307889 |
| SY21 7EZ | 52.66303500 | -3.13849200 | 3 | 8 | 323098 | 307866 |
| SY21 7FA | 52.66647900 | -3.12955900 | N/A | N/A | 323708 | 308240 |
| SY21 7FB | 52.66703200 | -3.13100700 | N/A | N/A | 323611 | 308303 |
| SY21 7FD | 52.66116900 | -3.13866300 | N/A | N/A | 323083 | 307659 |
| SY21 7GY | 52.66702400 | -3.14531000 | N/A | N/A | 322644 | 308317 |
| SY21 7GZ | 52.66680900 | -3.14617700 | N/A | N/A | 322585 | 308294 |
| SY21 7HA | 52.66322600 | -3.13827600 | 7 | 19 | 323113 | 307887 |
| SY21 7HB | 52.66333600 | -3.13801200 | 1 | 2 | 323131 | 307899 |
| SY21 7HD | 52.66308000 | -3.13757700 | 3 | 5 | 323160 | 307870 |
| SY21 7HE | 52.66291300 | -3.13711400 | 6 | 13 | 323191 | 307851 |
| SY21 7HF | 52.66326100 | -3.13703200 | 3 | 7 | 323197 | 307890 |
| SY21 7HG | 52.66361800 | -3.13766500 | 6 | 17 | 323155 | 307930 |
| SY21 7HH | 52.66395800 | -3.13846900 | 2 | 5 | 323101 | 307969 |
| SY21 7HJ | 52.66360500 | -3.13717600 | 5 | 11 | 323188 | 307928 |
| SY21 7HL | 52.66384800 | -3.13617700 | 13 | 37 | 323256 | 307954 |
| SY21 7HN | 52.66434200 | -3.13629400 | 34 | 85 | 323249 | 308009 |
| SY21 7HP | 52.66467600 | -3.13794400 | 12 | 24 | 323138 | 308048 |
| SY21 7HQ | 52.66380300 | -3.13905900 | 12 | 31 | 323061 | 307952 |
| SY21 7HR | 52.66454900 | -3.13904900 | 12 | 19 | 323063 | 308035 |
| SY21 7HS | 52.66424300 | -3.13908600 | 10 | 20 | 323060 | 308001 |
| SY21 7HT | 52.66344700 | -3.14047000 | 4 | 9 | 322965 | 307914 |
| SY21 7HU | 52.66379300 | -3.14102600 | 2 | 3 | 322928 | 307953 |
| SY21 7HW | 52.66435300 | -3.13790600 | 5 | 12 | 323140 | 308012 |
| SY21 7HX | 52.66345300 | -3.14175600 | 16 | 31 | 322878 | 307916 |
| SY21 7HY | 52.66164400 | -3.14286200 | 3 | 6 | 322800 | 307716 |
| SY21 7HZ | 52.66396000 | -3.14230200 | 14 | 28 | 322842 | 307973 |
| SY21 7JA | 52.66057400 | -3.14295300 | 29 | 35 | 322792 | 307597 |
| SY21 7JB | 52.66370300 | -3.14003300 | 6 | 8 | 322995 | 307942 |
| SY21 7JD | 52.66112500 | -3.15376100 | 6 | 18 | 322062 | 307670 |
| SY21 7JE | 52.66097700 | -3.15017600 | N/A | N/A | 322304 | 307650 |
| SY21 7JF | 52.66036000 | -3.14926100 | 8 | 15 | 322365 | 307580 |
| SY21 7JG | 52.65507000 | -3.14870800 | 11 | 18 | 322393 | 306991 |
| SY21 7JH | 52.66079300 | -3.14909400 | 1 | 4 | 322377 | 307628 |
| SY21 7JJ | 52.66102300 | -3.15321100 | 5 | 11 | 322099 | 307658 |