As per documentation Geo
What location granularity does geo-targeting provide?
- Country - global
- State/province/region - global
- City - global
- Zip/postal code - US, Germany, Canada
- DMA/ITV (UK) - US, UK
- Mobile carrier - global
ZIP/postal code is only available to the US, Germany, and Canada. New idea to make this available within the UK or hopefully Global.
