5 free lookups. No credit card required.
The most common First Base email format is [first].[last] (ex. jane.doe@firstbase.co), which is being used by 40.0% of First Base work email addresses. Other common First Base email patterns are [first] (ex. jane@firstbase.co) and [first][last] (ex. janedoe@firstbase.co). In all, First Base uses 9 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first].[last] | jane.doe@firstbase.co |
40.0%
|
| [first] | jane@firstbase.co |
20.0%
|
| [first][last] | janedoe@firstbase.co |
10.0%
|
| [first_initial][last] | jdoe@firstbase.co |
10.0%
|
| [last] | doe@firstbase.co |
5.0%
|
| [first][last_initial] | janed@firstbase.co |
5.0%
|
| [first_initial].[last] | j.doe@firstbase.co |
5.0%
|
| [first]_[last] | jane_doe@firstbase.co |
3.0%
|
| [first]-[last] | jane-doe@firstbase.co |
2.0%
|