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Contact Information

Accounts Payable
P.O. Box 548806
Oklahoma City, OK 73154-8806



Vendor / Operator Invoices
vendorinfo@chk.com
Inquiry Line: 877-CHK-1GAS (877-245-1427)
Fax: 405-849-0004



1099 Inquiries
ap1099inquiry@chk.com
Inquiry Line: 877-CHK-1GAS (877-245-1457)
Fax: 405-849-0004​​​

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