Towns
| State | City/Town | Town Title |
|---|---|---|
| Arizona | Yarnell | Yarnell, AZ |
| Arizona | Young | Young, AZ |
| Arizona | Youngtown | Youngtown, AZ |
| Arizona | Yucca | Yucca, AZ |
| Arizona | Yuma | Yuma, AZ |
| California | Acampo | Acampo, CA |
| California | Acton | Acton, CA |
| California | Adelanto | Adelanto, CA |
| California | Adin | Adin, CA |
| California | Agoura Hills | Agoura Hills, CA |
| California | Aguanga | Aguanga, CA |
| California | Ahwahnee | Ahwahnee, CA |
| California | Alameda | Alameda, CA |
| California | Alamo | Alamo, CA |
| California | Albany | Albany, CA |
| California | Albion | Albion, CA |
| California | Alderpoint | Alderpoint, CA |
| California | Alhambra | Alhambra, CA |
| California | Aliso Viejo | Aliso Viejo, CA |
| California | Alleghany | Alleghany, CA |
| California | Alpaugh | Alpaugh, CA |
| California | Alpine | Alpine, CA |
| California | Alta | Alta, CA |
| California | Altadena | Altadena, CA |
| California | Altaville | Altaville, CA |