- Ackley
- Ackworth
- Adair
- Adel
- Afton
- Agency
- Ainsworth
- Akron
- Albert City
- Albia
- Albion
- Alburnett
- Alden
- Alexander
- Algona
- Alleman
- Allerton
- Allison
- Alta
- Alta Vista
- Alton
- Altoona
- Alvord
- Amana
- Ames
- Anamosa
- Andover
- Andrew
- Anita
- Ankeny
- Anthon
- Aplington
- Arcadia
- Archer
- Aredale
- Argyle
- Arion
- Arispe
- Arlington
- Armstrong
- Arnolds Park
- Arthur
- Ashton
- Aspinwall
- Atalissa
- Atkins
- Atlantic
- Auburn
- Audubon
- Aurelia
- Aurora
- Austinville
- Avoca
- Ayrshire
- Badger
- Bagley
- Baldwin
- Bancroft
- Barnes City
- Barnum
- Batavia
- Battle Creek
- Baxter
- Bayard
- Beacon
- Beaman
- Beaver
- Bedford
- Belle Plaine
- Bellevue
- Belmond
- Bennett
- Benton
- Bernard
- Berwick
- Bettendorf
- Bevington
- Birmingham
- Blairsburg
- Blairstown
- Blakesburg
- Blanchard
- Blencoe
- Blockton
- Bloomfield
- Blue Grass
- Bode
- Bonaparte
- Bondurant
- Boone
- Booneville
- Bouton
- Boxholm
- Boyden
- Braddyville
- Bradford
- Bradgate
- Brandon
- Brayton
- Breda
- Bridgewater
- Brighton
- Bristow
- Britt
- Bronson
- Brooklyn
- Brunsville
- Bryant
- Buckeye
- Buckingham
- Buffalo
- Buffalo Center
- Burlington
- Burnside
- Burt
- Bussey
- Calamus
- Callender
- Calmar
- Camanche
- Cambridge
- Cantril
- Carbon
- Carlisle
- Carpenter
- Carroll
- Carson
- Carter Lake
- Cascade
- Casey
- Castalia
- Castana
- Cedar
- Cedar Falls
- Cedar Rapids
- Center Junction
- Center Point
- Centerville
- Central City
- Chapin
- Chariton
- Charles City
- Charlotte
- Charter Oak
- Chatsworth
- Chelsea
- Cherokee
- Chester
- Chillicothe
- Churdan