Choose a 91 prefix if your company operates in the Autonomous Community of Madrid.
Choose a number with a 960 prefix if your company operates in the province of Valencia.
Choose a number with a 93 prefix if your company operates in the province of Barcelona.
Choose a number with a 951 prefix if your company operates in the province of Malaga.
Choose a number with a 854 prefix if your company operates in the province of Seville.
Choose a number with a 865 prefix if your company operates in the province of Alicante.
Choose a number with a 871 prefix if your company operates in the Balearic Islands.
Choose a number with a 946 prefix if your company operates in the province of Bizkaia.
Choose a number with a 843 prefix if your company operates in the province of Gipuzkoa.
Las palmas (Canary Islands)
Choose a number with a 928 prefix if your company operates in Las Palmas (Canary Islands).
Santa cruz de tenerife (Canary Islands)
Choose a number with a 822 prefix if your company operates in the province of Santa Cruz de Tenerife (Canary Islands).