The Numbering Plan as defined by the national regulator can be found in: Fundamental Numbering Plan.

Numbering Plan +PrefixXTypeDescription1XXY/XYZSubscriber short codes700"Smart"Universal Access Number / Shared Cost800"Smart"Freephone900"Smart"Information Services2X2GeoPichincha, Santo Domingo de los Tsachilas3GeoTungurahua, Cotopaxi, Pastaza, Bolivar, Chimborazo4GeoGuayas, Peninsula de Santa Elena5GeoManabi, Galapagos, Los Rios6GeoCarchi, Imbabura, Esmeraldas, Sucumbios, Napo, Orellana7GeoAzuay, Canar, Morona Santiago8GeoEl Oro, Loja, Zamora3XResReserved4XResReserved5X1Non-GeoUniversal Personal Telecommunications (UPT)2Non-GeoUniversal Personal Telecommunications (UPT)3Non-GeoUniversal Personal Telecommunications (UPT)4Non-GeoUniversal Personal Telecommunications (UPT)5Non-GeoUniversal Personal Telecommunications (UPT)6XResReserved7X1Non-GeoNomadic Services2Non-GeoNomadic Services3Non-GeoNomadic Services6Non-GeoM2M7Non-GeoM2M8Non-GeoM2M9Non-GeoM2M8XNon-GeoServices and others9XNon-GeoMobile Networks

Special Numbers International Dial-Out Prefix: 00 Long-distance Dial-Out Prefix: 0 Fire brigade: 102 Police: 101 Ambulance: 911 Toll-free numbers: 1-700, 1-800

Calling To call a local number from a landline-phone, dial directly the 7 digits of the subscriber (xxx-xxxx). To make a national long-distance call, or from any mobile phone to a local or national number, dial (0a) xxx-xxxx (For example, to a number in Pichincha province, (02) 211-1111). To call from outside the country to a landline, dial +593-a-xxx-xxxx (For example, to a number in Guayas province, +593-4-211-1111) To call from outside the country to a mobile (cellular) phone, according to ITU Document at https://www.itu.int/dms_pub/itu-t/oth/02/02/T020200003D0001PDFE.pdf, it should look like:

+ International mobile number for Ecuador Country code (CC) Network code (DN) Subscriber number (SN) 593 9X XXX-XXXX 92 9XX-XXXX 93 9XX-XXXX 94 9XX-XXXX 95 9XX-XXXX 96 9XX-XXXX 97 9XX-XXXX 98 XXX-XXXX 99 XXX-XXXX

References

ITU allocations list Plan Tecnico Fundamental Numeracion (in Spanish)