CM21 9 is a postcode sector in East Hertfordshire, UK. Below is a complete list of CM21 9 Postcodes (Active). CM21 9 postcode sector comprises of 175 active postcodes. CM21 9 sector has a population of 6635, and it has 3010 properties in the region.
| Population | 6635 |
| Addresses / Property Count | 3010 |
| Active Postcodes | 175 |
| Nearby Postcode Districts | 27 |
| Nearby Postcode Sectors | 2 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| CM21 9EB | 51.81554500 | 0.15047200 | 21 | 61 | 548330 | 215177 |
| CM21 9ED | 51.82328900 | 0.15429400 | 5 | 11 | 548568 | 216046 |
| CM21 9EF | 51.81330900 | 0.15029300 | 5 | 18 | 548325 | 214928 |
| CM21 9EH | 51.81109600 | 0.14590800 | 15 | 28 | 548030 | 214673 |
| CM21 9EJ | 51.80969600 | 0.14526100 | 5 | 19 | 547990 | 214516 |
| CM21 9EL | 51.81073600 | 0.14630900 | 2 | 5 | 548059 | 214634 |
| CM21 9EN | 51.81247900 | 0.14736300 | 1 | 4 | 548126 | 214830 |
| CM21 9EP | 51.81165500 | 0.14726900 | 9 | 28 | 548122 | 214738 |
| CM21 9ER | 51.81031600 | 0.14666600 | 21 | 23 | 548085 | 214588 |
| CM21 9ES | 51.81063100 | 0.14674100 | 19 | 59 | 548089 | 214623 |
| CM21 9ET | 51.80996400 | 0.14782700 | 49 | 128 | 548166 | 214551 |
| CM21 9EU | 51.80795400 | 0.14807900 | 18 | 34 | 548190 | 214328 |
| CM21 9EW | 51.81496600 | 0.14719400 | 3 | 6 | 548106 | 215106 |
| CM21 9EX | 51.80713300 | 0.14770700 | 31 | 57 | 548167 | 214236 |
| CM21 9EY | 51.80621900 | 0.14949100 | 23 | 50 | 548293 | 214138 |
| CM21 9FA | 51.81998400 | 0.14815800 | N/A | N/A | 548156 | 215666 |
| CM21 9FB | 51.80699900 | 0.14964400 | 4 | 16 | 548301 | 214225 |
| CM21 9FD | 51.80931800 | 0.14515300 | 36 | 66 | 547984 | 214474 |
| CM21 9FE | 51.81744700 | 0.15410300 | N/A | N/A | 548574 | 215396 |
| CM21 9FF | 51.81740900 | 0.14932700 | N/A | N/A | 548245 | 215382 |
| CM21 9FG | 51.81371100 | 0.14737800 | 8 | 12 | 548123 | 214967 |
| CM21 9FH | 51.81281700 | 0.16178600 | N/A | N/A | 549119 | 214897 |
| CM21 9FJ | 51.80894600 | 0.14828400 | N/A | N/A | 548201 | 214439 |
| CM21 9FN | 51.81256600 | 0.15978700 | N/A | N/A | 548982 | 214865 |
| CM21 9FP | 51.81140200 | 0.15952800 | N/A | N/A | 548968 | 214735 |
| CM21 9FR | 51.81140200 | 0.15952800 | N/A | N/A | 548968 | 214735 |
| CM21 9GY | 51.81294500 | 0.14941700 | 3 | 6 | 548266 | 214886 |
| CM21 9GZ | 51.81272900 | 0.15051200 | 4 | 8 | 548342 | 214864 |
| CM21 9HA | 51.80844500 | 0.14578200 | 23 | 58 | 548030 | 214378 |
| CM21 9HB | 51.80872000 | 0.14735900 | 2 | 7 | 548138 | 214412 |
| CM21 9HD | 51.80799900 | 0.14657300 | 16 | 52 | 548086 | 214330 |
| CM21 9HE | 51.80820200 | 0.14484200 | 128 | 234 | 547966 | 214349 |
| CM21 9HG | 51.81124000 | 0.14489900 | 11 | 24 | 547960 | 214687 |
| CM21 9HH | 51.80740700 | 0.14996800 | 7 | 17 | 548322 | 214271 |
| CM21 9HJ | 51.80940600 | 0.14685700 | 12 | 32 | 548101 | 214487 |
| CM21 9HL | 51.80940700 | 0.14630600 | 11 | 27 | 548063 | 214486 |
| CM21 9HN | 51.80909100 | 0.14637800 | 2 | 7 | 548069 | 214451 |
| CM21 9HP | 51.80742900 | 0.14331100 | 1 | 3 | 547863 | 214260 |
| CM21 9HR | 51.81932400 | 0.16455200 | 1 | 3 | 549288 | 215626 |
| CM21 9HS | 51.80741100 | 0.14431100 | 1 | 1 | 547932 | 214260 |
| CM21 9HT | 51.80781300 | 0.14200900 | 1 | 4 | 547772 | 214300 |
| CM21 9HU | 51.80798500 | 0.14342400 | 3 | 12 | 547869 | 214322 |
| CM21 9HX | 51.81446900 | 0.17620200 | 6 | 19 | 550107 | 215110 |
| CM21 9HY | 51.81064700 | 0.17173600 | 3 | 8 | 549812 | 214676 |
| CM21 9HZ | 51.81421900 | 0.16379800 | 2 | 5 | 549253 | 215057 |
| CM21 9JA | 51.81753600 | 0.16934200 | 29 | 70 | 549624 | 215437 |
| CM21 9JB | 51.80723200 | 0.15754700 | 38 | 105 | 548845 | 214267 |
| CM21 9JE | 51.81174700 | 0.15741200 | N/A | N/A | 548821 | 214769 |
| CM21 9JF | 51.81455000 | 0.15555800 | 4 | 6 | 548684 | 215077 |
| CM21 9JG | 51.81295400 | 0.14707000 | 6 | 9 | 548104 | 214882 |