- Platina
- Playa del Rey
- Pleasant Grove
- Point Dume
- Pond
- Pondosa
- Pope Valley
- Port Chicago
- Posey
- Potrero
- Potter Valley
- Pozo
- Prado Dam
- Prather
- Princeton
- Proberta
- Poinsett Park
- Pacific
- Pacific House
- Phillips
- Pilliken
- Pino Grande
- Pleasant Valley
- Pomins
- Panoche Junction
- Parkfield Junction
- Pilibos Ranch
- Pratton
- Packer Island
- Phelan Island