I amused myself quite thoroughly with my brilliance last March. It seems to be seasonal, since I did something equally brilliant today, just a few days later to the year!
I had to telephone a cousin in Delhi, whose number was not stored on my cell phone.
I took out my diary, looked up the number and dialled, only to be told that the number did not exist.
I then called up the cousin's sibling, who asked me to note down the number.
It looked very similar to the number I had dialled, in fact it was the very same number. Apart from the STD code, that is.
I had been trying to dial a Delhi number with the Kolkata STD code.