Accounts Payable
P.O. Box 548806
Oklahoma City, OK 73154-8806
Vendor / Operator Invoices vendorinfo@chk.com
Inquiry Line: (877) CHK-1GAS
Fax: (405) 849-0004
1099 Inquiries vendorinfo@chk.com
Inquiry Line: (405) 935-2603*
Fax: (405) 849-0004
* Please leave your information on the recording device and a representative will contact you. Please allow 2 business days for a response.