- Pierce Crossing
- Pondera Colony
- Pioneer
- Prison Farm
- Peaks and Pines Park
- Ponderosa Mobile Home Park
- Piche
- Pioneer
- Park Grove
- Peerless
- Pendroy
- Perma
- Phillips
- Pinnacle
- Polaris
- Polebridge
- Pompeys Pillar
- Pony
- Portage
- Post Creek
- Potomac
- Powderville
- Pray
- Proctor
- Pablo
- Parker School
- Pinesdale
- Plentywood
- Polson
- Power