Area Code 905 – Non-Geographical Services
The phone area code for Non-Geographical Services is 905 (international format +34905). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 905
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Overview of Spain's 905 Prefix
The Spanish national numbering plan, administered by the Comisión Nacional de los Mercados y la Competencia (CNMC), allocates the 905 prefix as a non-geographic service code. Unlike geographic area codes (e.g., 91 for Madrid, 93 for Barcelona), 905 numbers are not tied to any specific physical location or administrative region. Instead, they are designated for special-rate services, typically used for professional assistance, technical support, and adult content lines, among other value-added services. These numbers are often referred to as 'servicios de tarificación adicional' (services with additional charging) in Spanish telecommunications regulation.
Technical Format and Dialing
In the international E.164 format, a Spanish 905 number is written as +34 905 XXX XXX, where the total number length is nine digits after the country code. When dialing from within Spain, callers must dial the nine-digit number directly, omitting the +34 prefix. For example, a local call to a 905 number would be dialed as 905 123 456. From abroad, callers must use the international access code (00 or +), followed by the Spanish country code 34, and then the nine-digit number: +34 905 123 456.
Call Cost Structure
Unlike standard geographic or mobile calls, 905 numbers incur a premium tariff that is split between the caller and the service provider. The cost per minute is set by the service provider and is regulated by the CNMC to ensure transparency. Typically, the caller pays a higher rate than a standard call, and the service provider receives a portion of the charge to fund the service. It is crucial for callers to be aware that these numbers are not included in standard mobile or fixed-line calling plans and may incur significant charges, especially for customer support lines. The exact tariff is usually announced at the beginning of the call.
Regulatory and Usage Considerations
905 numbers are strictly regulated to protect consumers. They are often used for services such as legal consultations, medical advice, technical support for electronics, and adult entertainment. The CNMC requires service providers to clearly state the cost of the call and the nature of the service. Additionally, these numbers are not intended for telemarketing or unsolicited calls. Callers should exercise caution, as some services may have high per-minute rates. For businesses, using a 905 number can be a way to offer premium services while sharing the cost with the caller, but it is essential to comply with Spanish regulations regarding transparency and consumer rights.
Comparison with Other Spanish Non-Geographic Codes
Spain employs several non-geographic prefixes, each with distinct purposes. The 900 prefix is toll-free for callers, with the called party bearing the cost. The 901 prefix is a shared-cost number where the caller pays a reduced rate. The 902 prefix is a non-geographic number with a higher cost to the caller, often used for customer service. In contrast, 905 numbers are premium-rate services, typically more expensive than 902. Understanding these differences is vital for both consumers and businesses when choosing the appropriate number type for their needs.