Banks in Watertown, South Dakota

We list 12 bank branches in Watertown from 9 FDIC-insured banks, in 1 ZIP code. The most branches belong to First Interstate Bank (2), Reliabank Dakota (2), First PREMIER Bank (2) and American Bank & Trust (1).

All bank branches in Watertown

Showing 12 of 12

BankBranchAddressZIPMap
First Interstate Bank Watertown Uptown Branch 35 1st Ave Ne 57201 Map
First Interstate Bank Watertown 5th St. S.E. Branch 624 5th St Se 57201 Map
American Bank & Trust Watertown Branch 1715 1st Ave Ne 57201 Map
Cornerstone Bank Watertown Branch 104 1st Ave Nw 57201 Map
Reliabank Dakota Watertown Branch 1401 4th St Ne 57201 Map
Reliabank Dakota Watertown Sw Branch 830 10th St Sw 57201 Map
Plains Commerce Bank Watertown Branch 109 1st Ave Se 57201 Map
Dacotah Bank Watertown Branch 1310 9th Ave Se 57201 Map
Wells Fargo Bank, National Association Watertown East 212 Branch 1225 9th Ave Se 57201 Map
First Bank & Trust Watertown Branch 1120 9th Ave Se 57201 Map
First PREMIER Bank Watertown Branch 24 5th St Se 57201 Map
First PREMIER Bank Watertown I29 Branch 824 34th St Se 57201 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 Watertown, SD?

Our list has 9 banks with 12 branches in Watertown. Branches open and close, so confirm with the bank.

Which bank has the most branches in Watertown?

In our list it is First Interstate Bank, 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.