- Ajo
- Aitkin
- Airway Heights
- Airmont
- Air Force Academy
- Ainaloa
- Aiken
- Aiea
- Ahwahnee
- Ahuimanu
- Ahtanum
- Ahoskie
- Agua Fria
- Agua Dulce
- Agua Dulce
- Agoura Hills
- Agoura
- Agawam
- Afton
- Afton
- Affton
- Adrian
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- Adelanto
- Adel
- Adel
- Addison
- Addison
- Addis
- Adamsville
- Adamsville
- Adamstown
- Adams
- Adams
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- Ada
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- Acushnet
- Acton
- Acres Green
- Accokeek
- Absecon
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- Abingdon
- Abilene
- Abilene
- Abernathy
- Aberdeen Proving Ground
- Abbotsford
- Abbeville
