Spanish business phone number
Register, NIF and Spanish address, plus a new rule for some commercial calls.
Local and mobile, document by document
Required documents, local and mobile
Spanish local number
+34 · For businesses only
Required address
Local address, within the area code’s zone
The company’s address must be in the city or region covered by the area code of the chosen number. A PO box is not accepted.
To provide
- Company registration documentDocumentAn extract from the commercial register (Registro Mercantil) or equivalent: it proves the company exists.
- Tax identification number (NIF, formerly CIF)To enterProven by the registration document.
- Proof of address within the area code’s zoneDocumentAny of: the registration document if it shows this address, an energy, water or telecom bill, a tax notice, a rent receipt or a property deed. A PO box is not accepted.
Spanish mobile number
+34 · For businesses only
Required address
Address in Spain
The company’s address must be in Spain.
To provide
- Company registration documentDocumentAn extract from the commercial register (Registro Mercantil) or equivalent: it proves the company exists.
- Tax identification number (NIF, formerly CIF)To enterProven by the registration document.
- Proof of address in SpainDocumentAny of: the registration document if it shows this address, an energy, water or telecom bill, a tax notice, a rent receipt or a property deed.
Indicative list updated on 15 October 2026. Requirements are set by each country’s authorities and may change; the exact list is confirmed when you order the number.
Getting a Spanish virtual phone number for your business
Spain is a nearby market, but Spaniards rarely pick up when they see a foreign country code. A 91 or 93 number puts you in Madrid or Barcelona in your prospects’ minds.
The documents are the same for a landline and a mobile: a company registration document, its tax identification number (NIF, formerly CIF) and proof of address. Only the address changes: within the area code’s zone for a landline, anywhere in Spain for a mobile.
A new rule affects some companies: from 17 October 2026, those subject to Spanish Law 10/2025 on customer service must make their commercial calls from a number starting with 400. Check whether your business is concerned before launching a campaign.
Country code and number format
- Local (landline)
- +34 +34, then 9 digits starting with 8 or 9; the first digits indicate the province: 91 Madrid, 93 Barcelona, 96 Valencia, 95 Seville. Example: +34 91 123 45 67.
- Mobile
- +34 +34 6 or +34 7, then 8 digits. Example: +34 612 34 56 78.
What you need to know
Commercial calls: the 400 range
A resolution of 14 April 2026 (BOE-A-2026-8409) reserves 9-digit numbers starting with 400, which do not receive calls, for commercial calls. Six months after it came into force, that is from 17 October 2026, companies subject to Law 10/2025 on customer service (notably energy, telecoms, transport, finance and large companies selling to consumers) may no longer make commercial calls from any other type of number. Check whether your company is concerned.
The company’s NIF
The tax identification number (NIF, called CIF for companies until 2008) is requested and must be proven by the registration document.
Choosing your province
The first two or three digits of a landline number indicate the province. The company’s address must be in the corresponding zone.
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