The 021 code is a geographic expansion code.
Geographic expansion codes are codes that are not currently in use, but reserved for possible expansion of a geographic location.
If you have received a call from a telephone number beginning 021, it is likely that the caller is spoofing their identity.
Have you been called by a number beginning 021?
For full numbers beginning 021, click here to get info on who called.
Numbers beginning 021 are not currently in use, so a format has not yet been determined.
You cannot currently call numbers beginning 021 as they are not currently in use.