This page provides postcode data for the Harrow, unparished area parish. Harrow, unparished area contains approximately 84,261 households with a population of about 239,007 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| WD2 1NT | 51.631728 | -0.334886 | 515343 | 193859 | TQ153938 | No |
| WD2 1NX | 51.632168 | -0.334205 | 515389 | 193909 | TQ153939 | No |
| WD23 1JQ | 51.630308 | -0.339726 | 515012 | 193693 | TQ150936 | Yes |
| WD23 1NT | 51.631732 | -0.334862 | 515345 | 193859 | TQ153938 | Yes |
| WD23 1NX | 51.632159 | -0.33422 | 515388 | 193908 | TQ153939 | Yes |