| Code | Name | Region |
|---|---|---|
| ECTGL | Tenguel | G |
| ECTEP | Tepre | |
| ECTPN | Tiputini | D |
| ECTSL | Tisaleo | T |
| ECTUA | Tulcan | |
| ECTUO | Tumbaco | P |
| ECTDM | Tundayme | Z |
| ECVLC | Valencia | R |
| ECVHS | Valle Hermoso | L |
| ECVEI | Velasco Ibarra | G |
| ECVEN | Ventanas | R |
| ECVIC | Viche | |
| ECVCS | Vinces | R |
| ECVFT | Virgen De Fatima | G |
| ECYGU | Yaguachi | G |
| ECZTL | Zapotal | G |
| ECZPT | Zapotal De Colonche | G |
| ECSNC | Salinas | G |
| ECSAL | Salitre | G |
| ECBOD | Samborondon | |
| ECSCS | San Carlos | P |
| ECSCY | San Cristobal | W |
| ECSNJ | San Juan | R |
| ECSLR | San Lorenzo | E |
| ECSAI | Sangolqui | P |
| ECWSE | Santa Cecillia | |
| ECSEL | Santa Elena | SE |
| ECSAR | Santa Rosa | O |
| ECSGO | Santo Domingo | SD |
| ECSDO | Santo Domingo De Los Colorados | |
| ECSYM | Seymour | W |
| ECSBO | Simon Bolivar | |
| ECSUQ | Sucua | S |
| ECTAB | Tabacundo | P |
| ECTSC | Taisha | S |
| ECTPC | Tarapoa | |
| ECTEN | Tena | N |
| ECPUE | Puebloviejo | R |
| ECAYO | Puerto Ayora, Isla Santa Cruz | W |
| ECPBG | Puerto Balao Grande | G |
| ECBAQ | Puerto Baquerizo Moreno | W |
| ECPBO | Puerto Bolivar | O |
| ECPEG | Puerto Egas | W |
| ECPFO | Puerto Francisco De Orellana | D |
| ECPEV | Puerto Nuevo | |
| ECVIL | Puerto Villamil, Isla Isabela | W |
| ECPUN | Puna | G |
| ECPYO | Putumayo | |
| ECPUY | Puyo | Y |
| ECQVD | Quevedo | R |