ONEOK email format
The most common ONEOK email format is {first}.{last}@oneok.com (for example [email protected]), used in 83% of the 689 verified ONEOK work emails we analysed. The next most common is {f}{last}@oneok.com at 12.8%.
All ONEOK email formats
Share of 689 verified ONEOK work addresses at @oneok.com, matched against each person's name. Updated October 2026.
ONEOK · Oil & Energy · Tulsa, United States · email domain oneok.com
How to find someone's email at ONEOK
- Search the person by name and company in Sendburg - if we have their verified work email, you get it directly.
- If you only know the name, apply the most common pattern: {first}.{last}@oneok.com.
- Check the address with the free email verifier before you send.
- For a whole team, search ONEOK in People search, filter by department or seniority, and turn on the verified-email filter.
Frequently asked questions
What is the email format for ONEOK?
The most common ONEOK email format is {first}.{last}@oneok.com (for example [email protected]), used in 83% of the 689 verified ONEOK work emails we analysed. The next most common is {f}{last}@oneok.com at 12.8%.
How do I find someone's email address at ONEOK?
Search the person by name and company in Sendburg to get their verified work email. If you only know the name, apply the {first}.{last}@oneok.com pattern and check the result with an email verifier before sending.
How can I check if a ONEOK email address is valid?
Run it through an email verifier. Sendburg's free email verifier checks the mailbox without sending an email, and verified emails you unlock in Sendburg refund the credit if they bounce.