Need assistance? We’re here to help.

By Phone


Toll Free

1-888-9CPOECU (927-6328)

By Fax
Main Fax


24-Hour Loan Center Fax


24-Hour Audio Response Line

Our Audio Response line is always open! Get account balances, transfer funds and many other services - 24 hours a day, seven days a week:



Toll Free


Lost or Stolen ATM or Debit/Visa Card

In the event your card is lost or stolen, please contact us as soon as possible for assistance.

Report Lost/Stolen Debit Card

704.392.6971 or toll-free 800.523.4175

Report Lost/Stolen Credit Card

704.392.3418 or toll-free 800.808.7230

Credit Card Customer Service


By Email
Department Email
Loan Department
Collections Department
Member Services - General Inquiries

Mailing Address

Chicago Post Office Employees Credit Union
10025 S. Western Ave
Chicago, IL 60643

Chicago Post Office Employees Credit Union
Routing Number: 271078175
American Share Insurance. Your savings insured to $250,000 per account. By members’ choice, this institution is not federally insured, and if the institution fails, the Federal Government does not guarantee that depositors will get back their money.

Main Branch:

10027 S. Western Avenue
Chicago, IL 60643
Phone: 773-881-2500
Fax: 773-238-8791

Downtown Branch:

433 W. Harrison 2nd Floor
Chicago, IL 60607
Phone: 312-431-8945
Fax: 312-431-8946

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