Banks in Mason City, Iowa

We list 9 bank branches in Mason City from 6 FDIC-insured banks, in 1 ZIP code. The most branches belong to Clear Lake Bank and Trust Company (2), Farmers State Bank (2), NSB Bank (2) and Wells Fargo Bank, National Association (1).

All bank branches in Mason City

Showing 9 of 9

BankBranchAddressZIPMap
Clear Lake Bank and Trust Company 100 East State Street Branch 100 E State St 50401 Map
Clear Lake Bank and Trust Company Mason City Branch 425 Tiffany Dr 50401 Map
Wells Fargo Bank, National Association Mason City Branch 10 N Washington Ave 50401 Map
First Citizens Bank First Citizens Bank (main office) 2601 4th St Sw 50401 Map
Farmers State Bank Mason City West Branch 2501 4th St Sw 50401 Map
Farmers State Bank Mason City Office Branch 517 S Federal Ave 50401 Map
U.S. Bank National Association Mason City Branch 124 N Washington Ave 50401 Map
NSB Bank NSB Bank (main office) 2650 4th St Sw 50401 Map
NSB Bank Regency Branch 451 S Illinois Ave 50401 Map

Source: FDIC BankFind Suite, retrieved 2026-09-20. Hours and phone numbers are not part of this data: check the bank’s website before you visit.

Frequently asked questions

How many banks are in Mason City, IA?

Our list has 6 banks with 9 branches in Mason City. Branches open and close, so confirm with the bank.

Which bank has the most branches in Mason City?

In our list it is Clear Lake Bank and Trust Company, with 2 branches.

How do I contact a branch?

The FDIC data has no phone numbers. Open the bank’s official website from its profile page here, or use the number on your card or statement.