Pinnacle Bank Routing Number (ABA): 073920777

Pinnacle Bank at a glance

Its CET1 capital ratio was 18.22% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.

Total assets, Q2 2026

$324.4M

CET1 ratio, Q2 2026

18.22%

Deposit insurance

FDIC

Regulator

Federal Reserve

Domestic offices

1 FDIC institution directory, current count

Latest call report

Q2 2026, FFIEC 051

Established

1927

Full financial profile · Is Pinnacle Bank safe? · Pinnacle 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, 2077, identify the institution within that district. The last digit, 7, 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 Pinnacle 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 Pinnacle Bank checks or in its online banking. Ask the bank for wire instructions (www.bankpinnacle.us). 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 Pinnacle Bank

Pinnacle Bank is headquartered in Marshalltown, Iowa and was established in 1927. It is in the MARSHALLTOWN, IA metro area. It reported $324.4M in total assets and $268.2M in deposits for Q2 2026, the 97th largest of the 225 banks headquartered in Iowa. It reports 1 domestic office. Its deposits have been FDIC insured since 1934. Its primary federal regulator is the Federal Reserve. 5 other banks and credit unions headquartered in Marshalltown have a routing number listed here.

What the digits in 073920777 mean

The first four digits, 0739, 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, 2077, identify the institution within its Federal Reserve district. The last digit, 7, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 16 + 7 x 16 + 10 = 170, a multiple of 10, so 073920777 is a well-formed routing number. A mistyped digit almost always breaks that sum.

What is the Pinnacle Bank routing number?

The Pinnacle Bank routing number is 073920777. It is the primary ABA routing transit number registered to Pinnacle Bank, headquartered in Marshalltown, IA. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 27, 2026.

What is the Pinnacle Bank wire routing number?

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

Is ABA number 073920777 the routing number for Pinnacle Bank?

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

Which bank uses routing number 073920777?

It belongs to Pinnacle Bank, headquartered in Marshalltown, IA. It is the bank's primary ABA routing number (FDIC certificate 252).

Routing numbers in Marshalltown, IA

Credit union

MEMBERS1ST Community Credit Union: 273975331

Bank

Farmers Savings Bank: 073911951

Bank

United Bank & Trust Co.: 073922843

Bank

Citizens Savings Bank: 073910266

Credit union

Lennox Employees Credit Union: 273975357

All routing numbers in Iowa