American State Bank: branch locations

American State Bank is an FDIC-insured bank with 10 branches in 2 states in our list. Its main office address in the FDIC records is 525 N Main Ave, Sioux Center, IA 51250.

Contact details

Main office525 N Main Ave, Sioux Center, IA 51250
Official websitewww.ambankiowa.com
FDIC certificate228

The website address is the one the bank reported to the FDIC. Phone numbers are not part of the FDIC data, so use the number on your card or the bank’s own website.

Where American State Bank has branches

StateBranches
Iowa9
South Dakota1

All American State Bank branches

Showing 10 of 10

CityStateBranchAddressZIPMap
Alton IA Alton Branch 208 10th St 51003 Map
Alvord IA Alvord Branch 212 N Main St 51230 Map
Granville IA Granville Branch 741 Broad St 51022 Map
Hospers IA Hospers Branch 100 2nd Ave N 51238 Map
Hull IA Hull Branch 624 Main St 51239 Map
Orange City IA Orange City Branch 901 8th St Se 51041 Map
Sioux Center IA Sioux Center South Branch 16 20th Street Se 51250 Map
Sioux Center IA American State Bank (main office) 525 N Main Ave 51250 Map
Sioux Center IA Sioux Center Trust Department Building Branch 675 N Main Ave 51250 Map
Sioux Falls SD Cliff Ave Branch 1201 E Cliff Pl 57108 Map

Source: FDIC BankFind Suite, retrieved 2026-09-20. This site is independent and is not affiliated with American State Bank. Confirm branch details with the bank.

Frequently asked questions

How many branches does American State Bank have?

Our list has 10 branches of American State Bank, in Iowa (9) and South Dakota (1). The number changes as branches open and close.

Where is American State Bank headquartered?

The FDIC lists the main office at 525 N Main Ave, Sioux Center, IA 51250.

Is American State Bank FDIC-insured?

According to the FDIC BankFind data, American State Bank is an active FDIC-insured institution (certificate number 228). Confirm any bank you plan to use in the FDIC’s BankFind tool.