| Port Code | Port Name | Country |
| USPFC | Pacific City | United States |
| USPFD | Pt Frederick | United States |
| USPFE | Plainfield | United States |
| USPFG | Providence Forge | United States |
| USPFH | Pleasant Hill | United States |
| USPFI | Post Falls | United States |
| USPFJ | Pennsville | United States |
| USPFL | Poinciana | United States |
| USPFN | Panama City | United States |
| USPFO | Park Forest | United States |
| USPFP | Palmetto | United States |
| USPFQ | Pacifica | United States |
| USPFR | Pomfret | United States |
| USPFT | Pfaftown | United States |
| USPFV | Pflugerville | United States |
| USPFX | Pharr | United States |
| USPGA | Page | United States |
| USPGB | Pt Gibson | United States |
| USPGC | Petersburg | United States |
| USPGD | Punta Gorda | United States |
| USPGE | Pagedale | United States |
| USPGF | Pisgah Forest | United States |
| USPGG | Pendergrass | United States |
| USPGH | Pt Gamble | United States |
| USPGI | Portageville | United States |
| USPGL | Pascagoula | United States |
| USPGM | Pt Graham | United States |
| USPGN | Piegan | United States |
| USPGO | Pagosa Springs | United States |
| USPGP | Penns Grove | United States |
| USPGR | Paragould | United States |
| USPGS | Peach Springs | United States |
| USPGT | Pennington | United States |
| USPGV | Greenville | United States |
| USPGW | Parkwood | United States |
| USPGY | Spring Valley, San Diego | United States |
| USPHA | Phenix City | United States |
| USPHC | Pointe a la Hache | United States |
| USPHD | New Philadelphia | United States |
| USPHE | Pelahatchie | United States |
| USPHF | Newport News-Hampton-Williamsburg Apt | United States |
| USPHF | Williamsburg-Newport News-Hampton Apt | United States |
| USPHF | Hampton-Williamsburg-Newport News Apt | United States |
| USPHG | Pittsburg | United States |
| USPHH | Pocahontas | United States |
| USPHI | Phillipsburg | United States |
| USPHK | Pahokee | United States |
| USPHL | Philadelphia | United States |
| USPHM | Prospect Harbor | United States |
| USPHN | Pt Huron | United States |
| USPHO | Point Hope | United States |
| USPHP | Philip | United States |
| USPHQ | Panorama City | United States |
| USPHS | Pinehurst | United States |
| USPHT | Paris | United States |
| USPHV | Pt Hudson | United States |
| USPHW | Pelham | United States |
| USPHX | Phoenix | United States |
| USPHZ | Pinehurst | United States |
| USPIA | Peoria | United States |
| USPIB | Pontiac | United States |
| USPIC | Picacho | United States |
| USPID | Pine Hill | United States |
| USPIE | St Petersburg | United States |
| USPIF | Pierson | United States |
| USPIG | Pigeon | United States |
| USPIH | Pocatello | United States |
| USPIJ | Piedmont | United States |
| USPIK | Pikeville | United States |
| USPIL | Piscataway | United States |
| USPIM | Pine Mountain | United States |
| USPIN | Pinecreek | United States |
| USPIP | Pilot Point | United States |
| USPIQ | Piedmont | United States |
| USPIR | Pierre | United States |
| USPIS | Port Isabel | United States |
| USPIT | Pittsburgh | United States |
| USPIV | Pineville | United States |
| USPIW | Pilottown | United States |
| USPIX | Piedmont | United States |
| USPIY | Port Ivory/Staten Isl/New York | United States |
| USPIZ | Point Lay | United States |
| USPJB | Payson | United States |
| USPJD | Portland | United States |
| USPJH | Point Judith | United States |
| USPJK | Pierce | United States |
| USPJL | Porthill | United States |
| USPJP | Phillips | United States |
| USPJR | Pine River | United States |
| USPJS | Pt San Juan | United States |
| USPJV | Port Jervis | United States |
| USPKA | Napaskiak | United States |
| USPKB | Parkersburg | United States |
| USPKC | Park City | United States |
| USPKD | Park Rapids | United States |
| USPKE | Prior Lake | United States |
| USPKF | Park Falls | United States |
| USPKI | Pekin | United States |
| USPKJ | Park Junction | United States |
| USPKK | Pikeville | United States |