A typical Dutch telephone number consists of a national destination code (NDC) followed by a subscriber number. The NDC identifies a geographic area or a service type within the Netherlands. A complete, dialable number includes the country code (+31) preceding the NDC. For instance, a landline number in Amsterdam might appear as +31 20 followed by a seven-digit subscriber number, while a mobile number could be +31 6, followed by an eight-digit subscriber number.
Understanding the structure is crucial for international communication and business operations. Correctly formatting the number ensures calls are routed efficiently and avoids connection errors. Historically, the numbering plan has evolved to accommodate increasing demand and technological advancements, necessitating a clear comprehension for telecommunication infrastructure and service providers.