Why Doesn't Croydon Have A CR1 Postcode? - Londonist

Londonist
Why Doesn't Croydon Have A CR1 Postcode?
Londonist
Croydon has a curious anomaly that makes it stand out not just from the rest of London, but from the rest of Britain. Its head postal district is CR0 instead of CR1. Not only that, but Croydon completely lacks a CR1 postcode. To understand why this is ...