- Pacific
- Pagedale
- Palmyra
- Paris
- Park Hills
- Parkdale
- Parkville
- Parkway
- Parma
- Parnell
- Pasadena Hills
- Pasadena Park
- Pascola
- Passaic
- Pattonsburg
- Paynesville
- Peculiar
- Peerless Park
- Pendleton
- Penermon
- Perry
- Perryville
- Pevely
- Phelps City
- Phillipsburg
- Pickering
- Piedmont
- Pierce City
- Pierpont
- Pilot Grove
- Pilot Knob
- Pine Lawn
- Pineville
- Pinhook
- Plato
- Platte City
- Platte Woods
- Plattsburg
- Pleasant Hill
- Pleasant Hope
- Pleasant Valley
- Plevna
- Pocahontas
- Pollock
- Polo
- Pomona
- Pontiac
- Poplar Bluff
- Portage Des Sioux
- Portageville
- Potosi
- Powersville
- Prairie Home
- Prathersville
- Prathersville
- Preston
- Princeton
- Purcell
- Purdin
- Purdy
- Puxico
