What city has the area code 1243?

Answer 1

In the UK, area code +44 1243 (or 01243 within the UK) is Chichester.

An international number beginning with +1 243 is in North America (USA, Canada, etc.; country code +1), but there is no area code 243.

There may be other countries with domestic area codes like 1243 or 01243.

(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, and many other countries use different prefixes.)