Premier Financial Corp Routing Number: Ohio Banking Guide

What is the Premier Financial Corp routing number?

Premier Financial Corp uses routing number 042203637. Premier Financial Corp is the parent company of Premier Bank, an FDIC-insured community bank headquartered in Defiance, Ohio, serving customers across Ohio, Michigan, Indiana, and Pennsylvania.

Premier Bank operates through a network of local branches and digital banking channels. The bank offers personal and business banking, mortgage lending, wealth management, and insurance services throughout its Midwest footprint.

How to find your Premier Financial routing number

Log into Premier Bank's online banking portal or mobile app and navigate to your account details. Your routing number (042203637) and account number are displayed in the account information section.

The routing number is also printed on Premier Bank checks — it is the nine-digit number at the bottom-left corner. All Premier Bank accounts across Ohio, Michigan, Indiana, and Pennsylvania use the same routing number.

Premier Financial wire and ACH transfers

Premier Bank supports ACH transfers for direct deposits, bill payments, and account-to-account transfers. Use routing number 042203637 for setting up incoming ACH deposits from employers or payment processors.

Domestic wire transfers are available for time-sensitive payments. Contact your local Premier Bank branch or initiate a wire through online banking. Wire transfer fees apply and vary by account type.

Premier Financial business banking

Premier Bank offers business checking and savings accounts, commercial lending, lines of credit, and treasury management services. The bank serves small and mid-sized businesses throughout the Midwest.

Business services include remote deposit capture, ACH origination, merchant processing, and payroll solutions. Premier Bank combines community banking relationships with modern digital banking capabilities.

Business banking with Slash

Premier Financial Corp provides traditional community banking across the Midwest. For businesses that want a fully digital platform, Slash offers unlimited virtual cards, up to 2% cashback, automated expense management, and ACH and wire transfer support — accessible from anywhere.

While Premier Bank excels at relationship-based community banking, Slash provides a modern alternative with real-time transaction tracking, multi-entity management, and native accounting integrations for growing businesses.