| Format | Example | Percentage |
|---|---|---|
| Format:lastNameInitial_firstName | d_jane@proper21.com | Percentage:56% |
| Format:firstName-lastNameInitial | jane-d@proper21.com | Percentage:17% |
| Format:firstNameInitial_lastName | j_doe@proper21.com | Percentage:15% |
| Format:lastNameInitialfirstName | djane@proper21.com | Percentage:6% |
| Format:lastName-firstNameInitial | doe-j@proper21.com | Percentage:4% |
| Format:lastNameInitialfirstNameInitial | dj@proper21.com | Percentage:2% |
Proper 21 employee email verification for instant deliverability checks.
The business currently specializes in Food & Beverages area. Register with SignalHire to connect with Proper 21 employees and management.
Proper 21 uses 6 email formats across its organization. The most common pattern is lastNameInitial_firstName (e.g., d_jane@proper21.com), used in approximately 56% of work addresses.
Proper 21 currently employs over 10-50 people from United States, with a head office in Washington, DC, US.
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.
