FDIC-insured bank

First Citizens Bank — Mason City, IA

Bank headquartered in Mason City, Iowa, part of FIRST CITIZENS FINANCIAL CORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Total assets
$1.80 billion
Total deposits
$1.58 billion
Branches
7
FDIC-insured since
1934
Established
1892

Headquarters and contact

Address2601 4th St Sw
Mason City, IA 50401
CountyCerro Gordo
Metro areaMason City, IA
Websitewww.myfcb.bank
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate4433
Federal Reserve RSSD ID186744
StatusActive
Charter classSM (STATE)
Holding companyFIRST CITIZENS FINANCIAL CORP
Domestic offices7
Financials as ofJune 30, 2026

How to find your First Citizens Bank routing number

FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.myfcb.bank.
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Offices nearest to headquarters

First Citizens Bank main office
Mason City, IA
2601 4th St Sw, 50401
Downtown Branch
Mason City, IA
33 E State St, 50401
Osage Branch
Osage, IA
501 Main St, 50461
300 Main Branch
Charles City, IA
300 N Main St, 50616
Clarion Branch
Clarion, IA
315 Central Ave E, 50525
New Hampton Branch
New Hampton, IA
124 W Main St, 50659
Mora Branch
Mora, MN
730 Forest Ave E, 55051

Where First Citizens Bank has offices

Cities with the most First Citizens Bank offices

Other banks headquartered in Mason City

NSB Bank$460.80 million

Largest banks headquartered elsewhere in Iowa

Principal Bank Des Moines$9.84 billion
Bankers Trust Company Des Moines$7.83 billion
Hills Bank and Trust Company Hills$4.79 billion
West Bank West Des Moines$4.03 billion
Northwest Bank Spencer$3 billion
Cedar Rapids Bank and Trust Company Cedar Rapids$2.90 billion
Quad City Bank and Trust Company Bettendorf$2.77 billion
Fidelity Bank & Trust Dubuque$2.60 billion
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