21st Email Format

The most common 21st email format is [first] (ex. jane@radiometro.no), which is being used by 72.7% of 21st work email addresses.

Other common 21st email patterns are [first].[last] (ex. jane.doe@radiometro.no) and [last] (ex. doe@radiometro.no). In all, 21st uses 3 work email formats.