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- (Nueces County) Peary Place
- (Parker County) Peaster
- (Baxter County) Peavy
- (Lowndes County) Pebble Beach Sunset Acres
- (Muscogee County) Pecan Estates Number 5 Colonia
- (Greene County) Pecan Heights
- (Marengo County) Pecan Island
- (Miller County) Pecan Park
- (San Saba County) Pecan Springs
- (Macon County) Pecan Wells
- (Union County) Pedeco
- (Starr County) Pedro Campos Colonia
- (Montgomery County) Peel Junction
- (Stephens County) Peeltown
- (Paulding County) Peerless
- (Navarro County) Pelham
- (Union County) Pelican
- (Fayette County) Pelican Island
- (Johnson County) Pelican Island
- (Nueces County) Pelican Island
- (Tarrant County) Pelican Island
- (Miller County) Pelly
- (Nueces County) Pelone Island
- (Starr County) Pena Number 1 Colonia
- (Starr County) Pena Number 2 Colonia
- (Conecuh County) Pendell
- (Pike County) Peniel
- (Lincoln County) Penland
- (Geneva County) Pennsylvania Avenue Colonia
- (Newton County) Peoria