Map
General Information
| Postal Area | Calderdale |
| Postcode | HX1 1YT |
| User Type | Large (more than 25 items of mail per day) |
| Region | Yorkshire and The Humber |
| Country | England |
| Local authority | Calderdale |
| Introduction Date | 1981-09-01 |
| Termination Date | 1994-05-01 |
Geographic Information
| Latitude | 53.7258230 |
| Longitude | -1.8620450 |
| Easting | 409200 |
| Northing | 425500 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |