| Port Code | Port Name | Country |
| USPTA | Pt Alsworth | United States |
| USPTB | Petersburg | United States |
| USPTC | Pt Alice | United States |
| USPTD | Pt Alexander | United States |
| USPTE | Portage | United States |
| USPTG | Pt Allegany | United States |
| USPTH | Pt Heiden | United States |
| USPTI | Pleasant Hill | United States |
| USPTJ | Pt Jefferson | United States |
| USPTK | Pontiac | United States |
| USPTL | Pt Armstrong | United States |
| USPTM | Portsmouth | United States |
| USPTN | Morgan City-Patterson Apt | United States |
| USPTN | Patterson-Morgan City Apt | United States |
| USPTO | Pittston | United States |
| USPTP | Pinetops | United States |
| USPTQ | Portland | United States |
| USPTR | Pleasant Harbour | United States |
| USPTS | Pittsburg | United States |
| USPTT | Pratt | United States |
| USPTU | Platinum | United States |
| USPTV | Porterville | United States |
| USPTW | Pottstown | United States |
| USPTX | Pearlington | United States |
| USPTY | Pt Washington | United States |
| USPTZ | Pittsfield | United States |
| USPUA | Pulaski | United States |
| USPUB | Pueblo | United States |
| USPUC | Price | United States |
| USPUE | Pauline | United States |
| USPUI | Purcellville | United States |
| USPUJ | Parlin | United States |
| USPUL | Poulsbo | United States |
| USPUM | Petaluma | United States |
| USPUN | Putnam | United States |
| USPUP | Dupont | United States |
| USPUQ | Pacoima | United States |
| USPUR | Plumerville | United States |
| USPUT | Putney | United States |
| USPUV | Plumsteadville | United States |
| USPUW | Pullman | United States |
| USPUY | Puyallup | United States |
| USPUZ | Purcell | United States |
| USPVA | Pine Valley | United States |
| USPVC | Provincetown | United States |
| USPVD | Providence | United States |
| USPVE | Pineville | United States |
| USPVF | Placerville | United States |
| USPVG | Plainville | United States |
| USPVH | Plymouth | United States |
| USPVI | Plainville | United States |
| USPVJ | Pauls Valley | United States |
| USPVK | Piedmont | United States |
| USPVL | Pineville | United States |
| USPVM | Spring Grove | United States |
| USPVN | Plainview | United States |
| USPVR | Purvis | United States |
| USPVS | Port Everglades | United States |
| USPVT | Pt Trevorton | United States |
| USPVU | Provo | United States |
| USPVV | Proctorville | United States |
| USPVW | Plainview | United States |
| USPVX | Plainview | United States |
| USPVY | Pope Vanoy | United States |
| USPVZ | Painesville | United States |
| USPWA | Pt Washington | United States |
| USPWB | Poplar Bluff | United States |
| USPWD | Plentywood | United States |
| USPWE | Pawnee | United States |
| USPWF | Pt Wakefield | United States |
| USPWI | Pt Williams | United States |
| USPWL | Pawling | United States |
| USPWM | Portland | United States |
| USPWN | Pt Wentworth | United States |
| USPWO | Porter | United States |
| USPWP | Pawcatuck | United States |
| USPWR | Pt Walter | United States |
| USPWS | Prosser | United States |
| USPWT | Bremerton | United States |
| USPWV | Parsons | United States |
| USPWY | Painted Post | United States |
| USPXG | Pleasant Grove | United States |
| USPXH | Pocahontas | United States |
| USPXL | Polacca | United States |
| USPXM | Portales | United States |
| USPXO | Pt Orchard | United States |
| USPXR | Promontory | United States |
| USPXS | Paxinos | United States |
| USPXV | Phoenixville | United States |
| USPXX | Philadelphia | United States |
| USPXY | Pixley | United States |
| USPXZ | Pikesville | United States |
| USPYA | Palmyra | United States |
| USPYC | Prichard | United States |
| USPYE | Payette | United States |
| USPYG | Perry | United States |
| USPYH | Pioneer | United States |
| USPYK | Pulaski | United States |
| USPYL | Perry Island | United States |
| USPYM | Plymouth | United States |