Bay Bank Routing Number (ABA): 075912770

Bay Bank at a glance

Its CET1 capital ratio was 22.31% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.

Total assets, Q2 2026

$315.7M

CET1 ratio, Q2 2026

22.31%

Deposit insurance

FDIC

Regulator

FDIC

Domestic offices

3 FDIC institution directory, current count

Latest call report

Q2 2026, FFIEC 041

Established

1995

Full financial profile · Is Bay Bank safe? · Bay Bank call report · Branch locations

What the digits mean

The first two digits, 07, place this number in the Federal Reserve Bank of Chicago's district (District 7). Digits five through eight, 1277, identify the institution within that district. The last digit, 0, is a check digit, and the number passes the standard check: weight the nine digits 3, 7, 1, 3, 7, 1, 3, 7, 1 and the sum is a multiple of 10.

Before you send money to Bay Bank

A routing number tells the payment network which financial institution holds an account. You give it with an account number for ACH transfers through the automated clearing house, such as direct deposit, bill pay and transfers from a checking account, which usually settle in one to two business days. An international wire to a US account normally needs the bank's SWIFT code as well.

Match this number against the one on your Bay Bank checks or in its online banking. Ask the bank for wire instructions (www.baybankgb.com). Our record does not show whether this number receives wires. The Federal Reserve's E-Payments Routing Directory shows it: its Fedwire participant search lists the numbers that can receive Fedwire transfers, and its FedACH search lists those that receive ACH payments. How to confirm any routing number.

About Bay Bank

Bay Bank is headquartered in Green Bay, Wisconsin and was established in 1995. It is in the GREEN BAY, WI metro area. It reported $315.7M in total assets and $264.9M in deposits for Q2 2026, the 95th largest of the 153 banks headquartered in Wisconsin. It reports 3 domestic offices. Its deposits have been FDIC insured since 1995. Its primary federal regulator is the FDIC. 6 other banks and credit unions headquartered in Green Bay have a routing number listed here.

What the digits in 075912770 mean

The first four digits, 0759, are the Federal Reserve routing symbol. The prefix 07 places the number in the 7th Federal Reserve District (Chicago). That is also the district where the bank is headquartered. Digits five through eight, 1277, identify the institution within its Federal Reserve district. The last digit, 0, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 16 + 7 x 15 + 7 = 160, a multiple of 10, so 075912770 is a well-formed routing number. A mistyped digit almost always breaks that sum.

What is the Bay Bank routing number?

The Bay Bank routing number is 075912770. It is the primary ABA routing transit number registered to Bay Bank, headquartered in Green Bay, WI. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 27, 2026.

What is the Bay Bank wire routing number?

This page lists the primary routing number registered to Bay Bank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with Bay Bank before sending a wire.

Is ABA number 075912770 the routing number for Bay Bank?

Yes. It is the primary routing number registered to Bay Bank.

Which bank uses routing number 075912770?

It belongs to Bay Bank, headquartered in Green Bay, WI. It is the bank's primary ABA routing number (FDIC certificate 34052).

Routing numbers in Green Bay, WI

Bank

Associated Bank, N.A.: 075900575

Bank

Nicolet National Bank: 075917937

Credit union

Capital Credit Union: 275978394

Credit union

PCM Credit Union: 275977858

Credit union

Wisconsin Medical Credit Union: 275977926

Credit union

Service Credit Union: 275977900

All routing numbers in Wisconsin