| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Amador City | city | California | United States | 38.42 | -120.82 | 1200 | |
| Amanico Ergina Village | city | California | United States | 37.78 | -122.44 | 196 | |
| Amber Hills | city | California | United States | 34.14 | -117.21 | 1669 | |
| Amberwood Mobile Home Park | city | California | United States | 40.40 | -122.26 | 413 | |
| Ambler | city | California | United States | 36.31 | -119.28 | 298 | |
| Ambler Park | city | California | United States | 36.58 | -121.72 | 830 | |
| Amboy | city | California | United States | 34.56 | -115.74 | 830 | |
| Ambrose | city | California | United States | 41.50 | -120.98 | 5029 | |
| Ambrose (historical) | city | California | United States | 38.04 | -121.95 | 42 | |
| American Canyon | city | California | United States | 38.17 | -122.26 | 49 | |
| American Hill (historical) | city | California | United States | 39.48 | -120.76 | 5029 | |
| Americana Mobile Home Park | city | California | United States | 33.75 | -117.96 | 42 | |
| Amesti | city | California | United States | 36.96 | -121.78 | 141 | |
| Amos | city | California | United States | 33.12 | -115.26 | 298 | |
| Ampere | city | California | United States | 38.10 | -121.24 | 49 | |
| Amsterdam | city | California | United States | 37.43 | -120.54 | 200 |