Who has a 1404 area code?

In North America (USA, Canada, etc.), +1 404 is the beginning of a number in Atlanta, Georgia, USA.

In the UK, area code +44 1404 (or 01404 in domestic format) is Honiton, Devon, in the southwest of England.

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)