FNBO Routing Number: The Largest Privately Held Bank in America

Private ownership in a public-company world

First National Bank of Omaha - known as FNBO - holds a distinction that is increasingly rare in American banking: it is the largest privately held bank in the United States. With over $30 billion in assets, FNBO operates at a scale that puts it in the same conversation as many publicly traded regional banks, but without the quarterly earnings pressure, analyst calls, and short-term stock price obsession that comes with public markets. The bank is controlled by the Lauritzen family, which has guided the institution for generations.

Private ownership gives FNBO a strategic patience that publicly traded competitors cannot easily match. The bank can absorb short-term losses on long-term investments, enter markets gradually, and maintain underwriting standards during boom times when public banks feel pressure to grow loan books at any cost. That patience has translated into remarkably consistent performance - FNBO has been profitable every year for over a century.

Credit card issuing: FNBO

While most people think of FNBO as a Midwestern community bank, a significant portion of its revenue comes from its credit card issuing business. FNBO is one of the largest credit card issuers in the United States, partnering with brands, retailers, and organizations to issue co-branded and private-label credit cards. If you carry a credit card branded by a regional retailer, airline affinity program, or professional association, there is a meaningful chance FNBO is the issuing bank behind it.

This business generates substantial interest income and fee revenue, diversifying FNBO well beyond traditional deposit-taking and commercial lending. The credit card operation also drives the bank's national presence - while its branches are concentrated in Nebraska, Iowa, Colorado, Illinois, Kansas, South Dakota, and Texas, its credit card customers are spread across all 50 states.

FNBO

FNBO's routing number is 104000016. The 104 prefix identifies it as processed through the Federal Reserve Bank of Kansas City, which serves the Nebraska district. This routing number applies to all FNBO deposit accounts - personal checking, savings, money market, and business accounts - across all branch locations.

For domestic wire transfers, FNBO uses the same 104000016 routing number. You can find the number printed on the bottom-left of your FNBO checks or by logging into the FNBO online banking platform and navigating to account details. Business customers using FNBO Treasury Management can also access routing information through that portal.

Omaha: an unlikely financial capital

Omaha, Nebraska, is home to Berkshire Hathaway, Mutual of Omaha, TD Ameritrade's former headquarters, and FNBO - a concentration of financial firepower that seems improbable for a city of under 500,000 people. Warren Buffett has famously operated Berkshire from Omaha for decades, and the city's financial culture reflects a Midwestern pragmatism that values steady compounding over flashy growth. FNBO fits that ethos perfectly: no IPO, no flashy acquisitions, no headline-grabbing pivots. Just consistent, quietly profitable banking.

The bank's community roots run deep. FNBO is one of the largest employers in Omaha and a major sponsor of local institutions, from the College World Series to local healthcare and education initiatives. In a city where financial services is a pillar of the economy, FNBO is the institution that has been there the longest.

The advantages of thinking long-term

FNBO demonstrates what becomes possible when a bank is not beholden to quarterly earnings expectations. That same long-term orientation is what drives Slash - building financial tools that solve structural problems for businesses rather than chasing short-term feature trends. With virtual and physical corporate cards, automated expense workflows, and real-time spend tracking, Slash gives finance teams infrastructure designed for durability, not just the next earnings cycle.