Bank routing number ยท Newbern, Tennessee
Security Bank Routing Number (ABA): 084307790
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The Security Bank routing number is 084307790. It is the primary ABA routing transit number on the bank's FFIEC National Information Center record, refreshed here on October 27, 2026.
Security Bank at a glance
Its CET1 capital ratio was 14.22% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $224.1M
- CET1 ratio, Q2 2026
- 14.22%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Domestic offices
- 6 FDIC institution directory, current count
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1931
Full financial profile · Is Security Bank safe? · Security Bank call report · Branch locations
Security Bank routing numbers on file
| Routing number | Type | Status | Source |
|---|---|---|---|
| 084307790 | Primary ABA | Active | FFIEC NIC |
Record refreshed here on October 27, 2026. NIC holds one primary number per bank; Security Bank publishes any other numbers it uses itself.
What the digits mean
The first two digits, 08, place this number in the Federal Reserve Bank of St. Louis's district (District 8). Digits five through eight, 0779, 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 Security 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 Bank checks or in its online banking. Ask the bank for wire instructions (www.bankatsecurity.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 Bank
Security Bank is headquartered in Newbern, Tennessee and was established in 1931. It is in the DYERSBURG, TN metro area. It reported $224.1M in total assets and $191.8M in deposits for Q2 2026, the 87th largest of the 109 banks headquartered in Tennessee. It reports 6 domestic offices. Its deposits have been FDIC insured since 1934. Its primary federal regulator is the Federal Reserve.
What the digits in 084307790 mean
The first four digits, 0843, are the Federal Reserve routing symbol. The prefix 08 places the number in the 8th Federal Reserve District (St. Louis). That is also the district where the bank is headquartered. Digits five through eight, 0779, 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 10 + 7 x 17 + 11 = 160, a multiple of 10, so 084307790 is a well-formed routing number. A mistyped digit almost always breaks that sum.
What is the Security Bank routing number?
The Security Bank routing number is 084307790. It is the primary ABA routing transit number registered to Security Bank, headquartered in Newbern, TN. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 27, 2026.
What is the Security Bank wire routing number?
This page lists the primary routing number registered to Security Bank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with Security Bank before sending a wire.
Is ABA number 084307790 the routing number for Security Bank?
Yes. It is the primary routing number registered to Security Bank.
Which bank uses routing number 084307790?
It belongs to Security Bank, headquartered in Newbern, TN. It is the bank's primary ABA routing number (FDIC certificate 2391).
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Regulator records: FDIC BankFind (cert 2391) · FFIEC NIC profile (RSSD 497851)