Security First Bank Routing Number (ABA): 104113819

Security First Bank at a glance

Its CET1 capital ratio was 11.03% at Q2 2026, above regulatory requirements.

Total assets, Q2 2026

$2.32B

CET1 ratio, Q2 2026

11.03%

Deposit insurance

FDIC

Regulator

FDIC

Domestic offices

36 FDIC institution directory, current count

Established

1924

Full financial profile · Is Security First Bank safe? · Branch locations

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, 1381, identify the institution within that district. The last digit, 9, 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 Security First 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 Security First Bank checks or in its online banking. Ask the bank for wire instructions (http://www.security1stbank.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 Security First Bank

Security First Bank is headquartered in Lincoln, Nebraska and was established in 1924. It is in the LINCOLN, NE metro area. It reported $2.32B in total assets and $2.03B in deposits for Q2 2026, the 5th largest of the 138 banks headquartered in Nebraska. It reports 36 domestic offices. Its deposits have been FDIC insured since 1934. Its primary federal regulator is the FDIC. 18 other banks and credit unions headquartered in Lincoln have a routing number listed here.

What the digits in 104113819 mean

The first four digits, 1041, 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, 1381, identify the institution within its Federal Reserve district. The last digit, 9, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 10 + 7 x 2 + 16 = 60, a multiple of 10, so 104113819 is a well-formed routing number. A mistyped digit almost always breaks that sum.

What is the Security First Bank routing number?

The Security First Bank routing number is 104113819. It is the primary ABA routing transit number registered to Security First Bank, headquartered in Lincoln, NE. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 25, 2026.

What is the Security First Bank wire routing number?

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

Is ABA number 104113819 the routing number for Security First Bank?

Yes. It is the primary routing number registered to Security First Bank.

Which bank uses routing number 104113819?

It belongs to Security First Bank, headquartered in Lincoln, NE. It is the bank's primary ABA routing number (FDIC certificate 5415).

Routing numbers in Lincoln, NE

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Union Bank and Trust Company: 104910795

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First State Bank Nebraska: 104909531

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Credit union

Liberty First Credit Union: 304982468

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Lincoln Federal Savings Bank of Nebraska: 304971990

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City Bank & Trust Co.: 104901144

All routing numbers in Nebraska