Area Code 55 – Apeldoorn
The phone area code for Apeldoorn is 55 (international format +3155). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 55
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Apeldoorn
Geographic Coverage and Administrative Jurisdiction
Area code 55 is a geographic National Destination Code (NDC) within the Netherlands' national numbering plan, administered under the ITU-T E.164 standard by the Authority for Consumers and Markets (ACM). It serves the central-eastern part of the province of Gelderland, with the city of Apeldoorn as its principal urban center. The code covers Apeldoorn and its surrounding municipalities, including but not limited to Brummen, Epe, Heerde, and Voorst. This region is characterized by a mix of residential communities, business parks, and the Veluwe forest area, one of the Netherlands' largest natural reserves.
Dialing Formats and Caller Instructions
Within the Netherlands, calls to numbers in the 55 area require dialing the full national number: 055 followed by the seven-digit subscriber number. For example, a local call to a business in Apeldoorn would be dialed as 055 123 4567. Note that the leading '0' is a trunk prefix used for domestic calls and is not part of the international number.
For callers from outside the Netherlands, the international format must be used: the country code +31, followed by the area code without the leading '0', and then the subscriber number. Thus, the same number would be dialed as +31 55 123 4567. This format is essential for international callers, as omitting the country code or including the trunk prefix will result in a failed call.
Number Structure and Overlay Considerations
Geographic numbers in the 55 area are fixed at 10 digits in length when dialed internationally (including the country code but excluding the trunk prefix). The subscriber number length is seven digits, and there is no overlay code currently assigned to this area; 55 remains the sole geographic code for Apeldoorn. This means that local calls within the area do not require an area code, but for clarity and consistency, the full national number is often used.
Services and Usage
Numbers under the 55 code are primarily used for fixed-line PSTN and VoIP services, connecting homes and businesses in the region. They are also used by local internet service providers and corporate entities with a physical presence in the area. As with all geographic numbers in the Netherlands, number portability allows subscribers to retain their 55 number when switching providers, but the number remains associated with the geographic location for routing and emergency services purposes.
For callers, understanding the distinction between national and international dialing is crucial. When calling from a mobile phone within the Netherlands, it is common to dial the full national number, including the trunk prefix. However, when abroad, always use the international format to ensure proper routing through the global PSTN.