Contact MidFirst Bank Customer Service

The company corporate office mailing address is MidFirst Bank, PO Box 258832, Oklahoma City, OK 73125-8832, United States. You can use this address for qualified written requests, notices of error, information requests, and credit disputes for loans. The Loan-related correspondence can be sent to MidFirst Bank, Lending Operations, PO Box 268879, Oklahoma City, OK 73126-8879. For Credit Card and Billing inquiries, write to MidFirst Bank customer service at PO Box 54370, Oklahoma City, OK 73154-1370.

You can send your Credit Card Payments to MidFirst Bank, PO Box 6818, Carol Stream, IL 60197-6818. The Loan Payments address is Payment Processing Center, MidFirst Bank, PO Box 76149, Oklahoma City, OK 73147-2149.

The MidFirst 24 hour customer service is available at their Automated Service Line. You can also use the MidFirst Bank contacts to report lost or stolen cards 24/7.

The Personal Banking Support and TDD service hours are weekdays from 7 a.m. to 9 p.m. CST, Saturday between 8 a.m. and 6 p.m. CST, and Sunday from 12 p.m. to 4 p.m. CST. The Business Online Banking Support is available from 7 a.m. to 9 p.m. CST on weekdays. The phone line for Order Check operates on weekdays from 6 a.m. to 12 a.m. CST, Saturdays between 6 a.m. and 7 p.m. CST, and Sundays from 7 a.m. to 7 p.m. CST.