| Port Code | Port Name | Country |
| SENHN | Nyhamn | Sweden |
| SENHR | Norrahammar | Sweden |
| SENJA | Norrbottens Järnverk-SSAB | Sweden |
| SENML | Nymåla | Sweden |
| SENOA | Nora | Sweden |
| SENOE | Norrtälje | Sweden |
| SENOG | Nordmaling | Sweden |
| SENOJ | Norsjö | Sweden |
| SENOL | Nol (ports) | Sweden |
| SENOR | Norrbyskär | Sweden |
| SENOT | Norrsundet | Sweden |
| SENRK | Norrköping | Sweden |
| SENRS | Norsborg | Sweden |
| SENSJ | Nässjö | Sweden |
| SENSO | Nossebro | Sweden |
| SENVK | Näsviken | Sweden |
| SENYB | Nybro | Sweden |
| SENYM | Nymölla | Sweden |
| SENYN | Nynäshamn | Sweden |
| SENYO | Nyköping | Sweden |
| SENYP | Nyvarp | Sweden |
| SEOAX | Oaxen | Sweden |
| SEOBB | Obbola | Sweden |
| SEOCK | Ockelbo | Sweden |
| SEOCO | Öckerö | Sweden |
| SEODE | Ödeshög | Sweden |
| SEOEM | Överum | Sweden |
| SEOEN | Ön | Sweden |
| SEOER | Örnsköldsvik | Sweden |
| SEOEV | Överkalix | Sweden |
| SEOFS | Orrefors | Sweden |
| SEOGR | Öregrund | Sweden |
| SEOLO | Olofström | Sweden |
| SEORB | Örebro | Sweden |
| SEORK | Örkelljunga | Sweden |
| SEORS | Orsa | Sweden |
| SEORT | Ortviken | Sweden |
| SEORV | Örviken | Sweden |
| SEOSB | Osby | Sweden |
| SEOSD | Östersund | Sweden |
| SEOSH | Östhammar | Sweden |
| SEOSK | Oskarshamn | Sweden |
| SEOSO | Ösmo | Sweden |
| SEOST | Östrand | Sweden |
| SEOSV | Östra Sönnarslöv | Sweden |
| SEOTT | Otterbäcken | Sweden |
| SEOVL | Överlida | Sweden |
| SEOVN | Oviken | Sweden |
| SEOXE | Oxelösund | Sweden |
| SEPAR | Partille | Sweden |
| SEPAS | Påskallavik | Sweden |
| SEPIT | Piteå | Sweden |
| SEPJA | Pajala | Sweden |
| SEPPK | Perstorp | Sweden |
| SERAA | Råå | Sweden |
| SERAM | Ramvik | Sweden |
| SERAN | Ramnäs | Sweden |
| SERBY | Ronnebyhamn | Sweden |
| SEREP | Reftele | Sweden |
| SERIM | Rimbo | Sweden |
| SERNB | Ronneby | Sweden |
| SERNG | Rönnäng | Sweden |
| SERNH | Ronehamn | Sweden |
| SERNS | Rottneros | Sweden |
| SEROE | Rone | Sweden |
| SEROR | Rönnskär | Sweden |
| SEROS | Rosersberg | Sweden |
| SEROT | Rotebro | Sweden |
| SEROV | Rönnskärsverken | Sweden |
| SERST | Ransta | Sweden |
| SERUN | Runsten | Sweden |
| SERUR | Runmarö | Sweden |
| SERUV | Rundvik | Sweden |
| SERVK | Rättvik | Sweden |
| SERYD | Rydsgård | Sweden |
| SERYM | Rydaholm | Sweden |
| SERYZ | Ryd | Sweden |
| SESAE | Sandarne | Sweden |
| SESAF | Säffle | Sweden |
| SESAK | Sandvik | Sweden |
| SESAL | Sala | Sweden |
| SESAN | Sandviken | Sweden |
| SESAR | Säter | Sweden |
| SESBB | Saltsjö-Boo | Sweden |
| SESBN | Saltsjöbaden | Sweden |
| SESBO | Sjöbo | Sweden |
| SESBV | Sätra Brunn | Sweden |
| SESDL | Sundsvall | Sweden |
| SESDR | Söderfors | Sweden |
| SESEA | Svedala | Sweden |
| SESES | Seskarö | Sweden |
| SESFS | Storfors | Sweden |
| SESFT | Skellefteå | Sweden |
| SESGM | Skagshamn | Sweden |
| SESGT | Sigtuna | Sweden |
| SESGZ | Skogås | Sweden |
| SESIK | Sikeå | Sweden |
| SESIM | Simrishamn | Sweden |
| SESJA | Svenljunga | Sweden |
| SESJQ | Sävsjö | Sweden |