Bank routing number ยท Brunswick, Missouri
County Bank Routing Number (ABA): 101903938
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The County Bank routing number is 101903938. It is the primary ABA routing transit number on the bank's FFIEC National Information Center record, refreshed here on October 25, 2026.
County Bank at a glance
Its CET1 capital ratio was 12.49% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $133.7M
- CET1 ratio, Q2 2026
- 12.49%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Domestic offices
- 2 FDIC institution directory, current count
- Established
- 1877
Full financial profile · Is County Bank safe? · Branch locations
County Bank routing numbers on file
| Routing number | Type | Status | Source |
|---|---|---|---|
| 101903938 | Primary ABA | Active | FFIEC NIC |
Record refreshed here on October 25, 2026. NIC holds one primary number per bank; County Bank publishes any other numbers it uses itself.
What the digits mean
The first two digits, 10, place this number in the Federal Reserve Bank of Kansas City's district (District 10). Digits five through eight, 0393, identify the institution within that district. The last digit, 8, 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 County 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 County Bank checks or in its online banking. Ask the bank for wire instructions (countybankonline.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 County Bank
County Bank is headquartered in Brunswick, Missouri and was established in 1877. It reported $133.7M in total assets and $120.6M in deposits for Q2 2026, the 155th largest of the 191 banks headquartered in Missouri. See the largest banks in Missouri by total assets. It reports 2 domestic offices. Its deposits have been FDIC insured since 1934. Its primary federal regulator is the FDIC.
What the digits in 101903938 mean
The first four digits, 1019, are the Federal Reserve routing symbol. The prefix 10 places the number in the 10th Federal Reserve District (Kansas City). That is also the district where the bank is headquartered. Digits five through eight, 0393, identify the institution within its Federal Reserve district. The last digit, 8, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 19 + 7 x 3 + 12 = 90, a multiple of 10, so 101903938 is a well-formed routing number. A mistyped digit almost always breaks that sum.
What is the County Bank routing number?
The County Bank routing number is 101903938. It is the primary ABA routing transit number registered to County Bank, headquartered in Brunswick, MO. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 25, 2026.
What is the County Bank wire routing number?
This page lists the primary routing number registered to County Bank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with County Bank before sending a wire.
Is ABA number 101903938 the routing number for County Bank?
Yes. It is the primary routing number registered to County Bank.
Which bank uses routing number 101903938?
It belongs to County Bank, headquartered in Brunswick, MO. It is the bank's primary ABA routing number (FDIC certificate 12220).
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Regulator records: FDIC BankFind (cert 12220) · FFIEC NIC profile (RSSD 1016848)