Routing Number 456705894
FIRSTBANK • Chicago, IL
Bank Type
Commercial
Status
Valid
SWIFT
FIRSTBXXX
Bank Information
Bank Name
FIRSTBANK
Institution Type
Commercial
Routing Number (ABA)
456705894
Main Address
100 W Adams St
Chicago, IL 60601-3342
United States
Phone
Website
Validation Status
Routing NumberValid
Updated: 12/16/2025
Secure Information
Verified against the official Federal Reserve database
Real time
What is a Routing Number?
A routing number (ABA) is a 9-digit code that identifies financial institutions in the United States. It is essential for processing electronic transfers, direct payments, and automatic deposits.
Routing Number Structure
XXXXXXXXX
First 4 digits
Federal Reserve Code
Next 4 digits
Bank identification
Last digit
Check digit
Common Uses:
- • Electronic bank transfers (ACH)
- • Direct deposits
- • Automatic bill payments
- • Money transfers between banks
- • Check processing
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