HA1 3 is a postcode sector in Harrow, UK. Below is a complete list of HA1 3 Postcodes (Active). HA1 3 postcode sector comprises of 255 active postcodes. HA1 3 sector has a population of 9973, and it has 3542 properties in the region.
| Population | 9973 |
| Addresses / Property Count | 3542 |
| Active Postcodes | 255 |
| Nearby Postcode Districts | 9 |
| Nearby Postcode Sectors | 4 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| HA1 3AA | 51.57777800 | -0.33449100 | 8 | 18 | 515507 | 187860 |
| HA1 3AB | 51.57736100 | -0.33423200 | 15 | 37 | 515526 | 187814 |
| HA1 3AG | 51.57705700 | -0.33423600 | N/A | N/A | 515527 | 187780 |
| HA1 3AH | 51.57816700 | -0.33844600 | 5 | 12 | 515232 | 187897 |
| HA1 3AJ | 51.57777100 | -0.33903800 | 30 | 75 | 515192 | 187852 |
| HA1 3AL | 51.57832800 | -0.33903200 | 14 | 32 | 515191 | 187914 |
| HA1 3AN | 51.57882000 | -0.33885500 | 50 | 125 | 515202 | 187969 |
| HA1 3AP | 51.57927800 | -0.33878100 | N/A | N/A | 515206 | 188020 |
| HA1 3AQ | 51.57766300 | -0.33520300 | N/A | N/A | 515458 | 187846 |
| HA1 3AR | 51.56203500 | -0.33257700 | 0 | 42 | 515680 | 186112 |
| HA1 3AT | 51.57932900 | -0.33983200 | N/A | N/A | 515133 | 188024 |
| HA1 3AW | 51.57928000 | -0.33875800 | 4 | 18 | 515208 | 188020 |
| HA1 3AX | 51.57945600 | -0.33918500 | N/A | N/A | 515178 | 188039 |
| HA1 3AY | 51.57820300 | -0.34098500 | 26 | 70 | 515056 | 187897 |
| HA1 3AZ | 51.57783200 | -0.34082500 | 5 | 8 | 515068 | 187856 |
| HA1 3BA | 51.57811300 | -0.34031000 | 41 | 92 | 515103 | 187888 |
| HA1 3BB | 51.57688500 | -0.33870900 | 11 | 24 | 515217 | 187754 |
| HA1 3BD | 51.57544900 | -0.33878300 | 12 | 33 | 515216 | 187594 |
| HA1 3BE | 51.57594200 | -0.34010000 | 23 | 43 | 515123 | 187647 |
| HA1 3BF | 51.57202000 | -0.33857600 | N/A | N/A | 515239 | 187213 |
| HA1 3BG | 51.57622800 | -0.33870400 | 20 | 66 | 515219 | 187681 |
| HA1 3BH | 51.57853700 | -0.33983200 | 6 | 11 | 515135 | 187936 |
| HA1 3BJ | 51.57843700 | -0.34034100 | 14 | 26 | 515100 | 187924 |
| HA1 3BL | 51.57735500 | -0.34081400 | 6 | 13 | 515070 | 187803 |
| HA1 3BN | 51.57826300 | -0.33444500 | N/A | N/A | 515509 | 187914 |
| HA1 3BQ | 51.57705400 | -0.33988600 | 16 | 30 | 515135 | 187771 |
| HA1 3BS | 51.57848200 | -0.34213600 | 6 | 17 | 514976 | 187926 |
| HA1 3BT | 51.57721900 | -0.34197300 | 18 | 51 | 514990 | 187786 |
| HA1 3BU | 51.57665500 | -0.34202900 | 14 | 37 | 514988 | 187723 |
| HA1 3BX | 51.57661300 | -0.34175000 | 9 | 15 | 515007 | 187719 |
| HA1 3BY | 51.57603500 | -0.34155400 | 14 | 34 | 515022 | 187655 |
| HA1 3BZ | 51.57664200 | -0.34127200 | 9 | 15 | 515040 | 187723 |
| HA1 3DA | 51.57203700 | -0.33926100 | 1 | 2 | 515191 | 187214 |
| HA1 3DB | 51.57592800 | -0.34276300 | 16 | 29 | 514939 | 187641 |
| HA1 3DD | 51.57544500 | -0.34247100 | 16 | 46 | 514960 | 187588 |
| HA1 3DE | 51.57510200 | -0.34235300 | 6 | 11 | 514969 | 187550 |
| HA1 3DF | 51.57495100 | -0.34313800 | 18 | 28 | 514915 | 187532 |
| HA1 3DG | 51.57379700 | -0.34417600 | 1 | 2 | 514846 | 187402 |
| HA1 3DH | 51.57605400 | -0.34339300 | 20 | 76 | 514895 | 187654 |
| HA1 3DJ | 51.57796300 | -0.34308600 | 21 | 47 | 514911 | 187867 |
| HA1 3DL | 51.57908200 | -0.34275700 | 20 | 34 | 514931 | 187992 |
| HA1 3DN | 51.57265400 | -0.33900800 | 9 | 26 | 515207 | 187283 |
| HA1 3DP | 51.57761300 | -0.34317100 | 7 | 12 | 514906 | 187828 |
| HA1 3DQ | 51.57458600 | -0.34386500 | 10 | 26 | 514866 | 187490 |
| HA1 3DR | 51.57513000 | -0.34369400 | 11 | 16 | 514876 | 187551 |
| HA1 3DS | 51.57650000 | -0.34263400 | 8 | 14 | 514946 | 187705 |
| HA1 3DU | 51.57482900 | -0.34403700 | 11 | 22 | 514853 | 187517 |
| HA1 3DW | 51.57716500 | -0.34070500 | 12 | 22 | 515078 | 187782 |
| HA1 3DX | 51.57691200 | -0.33350500 | 2 | 3 | 515578 | 187765 |
| HA1 3DY | 51.57476600 | -0.33383700 | 32 | 78 | 515560 | 187526 |