Ports of entry are responsible for daily port specific operations. There are many official ports around the world which control the incoming and outcoming process of freight shipping. To make the process of documentation arrangement easier special port codes are used internationally. These codes are sort of acronyms which include letters from country and port name.
| Argentina | Bolivia | Brazil | Chile | Colombia | | Buenos Aires | ARAEP | Cochabamba | BOCBB | Belo Horizonte | BRBHZ | Santiago | CLSCL | Barranquilla | COBAQ | | Cordoba | ARCOR | La Paz | BOLPB | Rio de Janeiro | BRRIO | Talcahuano | CLTAL | Bogotá | COBOG | | Mar del Plata | ARMDQ | Oruro | BOORU | Salvador | BRSSA | Temuco | CLZCO | Cali | COCLO | | Mendoza | ARMDZ | Santa Cruz | BOSRZ | Sao Paulo | BRSAO | Valparaiso | CLVAP | Cartagena | COCTG | | Ecuador | Guyana | Paraguay | Peru | Uruguay | | Cuenca | ECDUN | Bartica | GYGFO | Asunción | PYASU | Arequipa | PEAQP | Montevideo | UYMVD | | Guayaquil | ECJIP | Georgetown | GYGEO | Ciudad del Este | PYAGT | Callao | PECLL | Nueva Palmira | UYNVP
| | Machala | ECMCH | Linden | GYLDN | San Lorenzo | PYSLO | Chiclayo | PECIX | Fray Bentos | UYFZB | | Santo Domingo | ECSDO | Paruima | GYPRR | Villeta | PYVLL | Trujillo | PETRU | Colonia | UYCYR |
| Venezuela | | Amuay | VEARA | | La Guaira | VELAG | | Maracaibo | VEMAR | | Puerto Cabello | VEPBL |
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