This is a list of postcodes in the YO21 area covering the areas of Whitby, Westerdale, North Yorkshire. The area contains approximately 6,543 households with a population of about 14,415 (2011 census)
Active postcode
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| YO21 9AX | 54.487212 | -0.62177 | 489382 | 511082 | NZ893110 | No |
| YO21 9AY | 54.487212 | -0.62177 | 489382 | 511082 | NZ893110 | Yes |
| YO21 9AZ | 54.487212 | -0.62177 | 489382 | 511082 | NZ893110 | Yes |
| YO21 9BA | 54.487212 | -0.62177 | 489382 | 511082 | NZ893110 | No |
| YO21 9BB | 54.487212 | -0.62177 | 489382 | 511082 | NZ893110 | No |
| YO21 9BD | 54.487212 | -0.62177 | 489382 | 511082 | NZ893110 | No |
| YO21 9BE | 54.487212 | -0.62177 | 489382 | 511082 | NZ893110 | Yes |